{"title":"Filter Modules","description":null,"products":[{"product_id":"malekko-richter-dual-borg","title":"Malekko Richter Dual Borg","description":"\u003cp\u003eThe Malekko Richter series in Eurorack modular format offers the same great sound, ergonomics, musicality, and quality that made the Wiard 300 series legendary, at a fraction of the cost and size.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe \u003cstrong\u003eMalekko Richter Dual Borg\u003c\/strong\u003e contains one Borg I (left side) and one Borg II (right side). These are two different filters, each with their own character. They do not sound the same nor react the same way to your inputs. The Dual Borg is a versatile audio processor and the concept comes from a marriage of two divergent influences: the Buchla 292 Low Pass Gate and the Korg MS20 filter.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe Borg Filter is different from most filters in that it, at its heart, is a vactrol. Vactrols are combination light sensor\/light resistors that possess interesting sonic traits. Often described as “rubbery” or smooth in quality, vactrols are also known for their relatively slow response. This response creates a natural, very musical decay. As a low pass gate (frequency mode), the Borg will act as a filter and a VCA simultaneously. In combination with the characteristic vactrol response, this creates a signature sound that is desired by many synth enthusiasts, especially when used with very short, percussive patches.\u003c\/p\u003e\r\n\r\n\u003cp\u003eBut the Borg is no one-trick pony, and low pass gates are not for every patch. When in frequency mode, the Borg is a 12db filter with loads of personality. Gorgeous resonance (influenced by the MS20 and shaped by the vactrol design) swells from subtle warmth to a roaring howl that is unique to the Borg! For entering VCA mode, the new push button VCA switches allow instant changeover between modes- great for performances!\u003c\/p\u003e\r\n\r\n\u003cp\u003eA continuously adjustable low pass to high pass control is provided (a notch filter is a mix of these two). Each filter has one audio input and two CV frequency inputs (one with attenuation). Two separate outputs are provided, and output 2 has a slightly more aggressive resonance. Removing either jumper on the back of the filter will make the resonance “scream” even more! The jumper behind the Borg I effects the Borg I’s resonance, and the jumper behind the Borg II changes the Borg II’s resonance.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe Borg I (left side) has a slower response and a more mellow sound compared to the Borg II (right side). Thanks to its longer decay time, the Borg I is best for recreating the famous Buchla bongo patch, and the Borg II is best for a faster, more aggressive response.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe signal path of the Dual Borg is selectable: Series or Parallel.\r\n– In Series mode, when you plug into either in 1 or in 2, or even both inputs (as a mix), the signal is routed through the Borg I then Borg II filters and both out 1 or out 2 have the same signal. If you are connected to both outputs, you will only get signal from out 2.\r\n– In Parallel mode, a single input into in 1 or in 2 is routed through both filters side by side, and a single output (either out 1 or out 2) will give you a mix of both filters. If you have only one input but two outputs, out 1 is the Borg I filter only and out 2 is Borg II only. If you have two inputs and two outputs, then each filter is completely separate: in 1 and out 1 is Borg I, in 2 and out 2 is Borg II. To use only one filter, you must patch into both outputs then choose which filter’s output you want to hear.\u003c\/p\u003e","brand":"Malekko","offers":[{"title":"Default Title","offer_id":44449720402023,"sku":"47413","price":325.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/malekko_richter_dual_borg_c83b4e88-00b4-419b-a2ce-2e248b5e72fe.jpg?v=1787090126"},{"product_id":"malekko-wiard-boogie-filter","title":"Malekko Wiard Boogie Filter","description":"\u003cp\u003eMalekko is thrilled to offer the \u003cstrong\u003eWiard Boogie Filter\u003c\/strong\u003e. Sanctioned by Grant Richter of Wiard Synthesizer Company, this module is exactly the same as the original 1212A, only in 12hp eurorack format.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe Boogie filter is vactrol based and features a resonant low pass, two audio inputs, two cv inputs (one key in and one with attenuator) and outputs for 6dB, 12dB, 18dB and 24dB. There are two user-friendly jumpers on the back of the module that control the phase of the 12 and 24dB outputs.\u003c\/p\u003e","brand":"Malekko","offers":[{"title":"Default Title","offer_id":44449720467559,"sku":"47416","price":225.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/malekko_wiard_boogie_filter_ec347868-a0bd-4191-87c6-d43dcdce642d.jpg?v=1787090126"},{"product_id":"make-noise-fxdf","title":"Make Noise FXDf","description":"\u003cp\u003eThe \u003cstrong\u003eMake Noise FXDf\u003c\/strong\u003e is a 6 Band Fixed Filter. Traditionally fixed filters are large modules having 8 to 10 bands, each with a manual level control, but rarely any voltage control. The FXDf is so small Make Noise had to abbreviate the words Fixed Filter and by providing individual outputs as well as a header for normalled connection to the RxMx 6 channel macro-lowpass-gate module, voltage control over level of each band is possible through patching. In the past the Serge System Fixed Filter used 6db\/ Octave filters while the Moog Modular used 12db\/ Octave filters. Make Noise liked the sound of both filter slopes, so they implemented a way to use either or both simultaneously. In this way the FXDf also allows for blending of two audio signals. Six bands were selected which were found to produce the most sonic energy in typical Make Noise system patches and also took care to space them wide enough that each of the bands could be distinct from the others. This makes for quite an impactful sound when independently modulating the amplitudes of the 6 bands using the RxMx or VCAs.\u003cbr\u003e\u003cbr\u003e\r\n\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eWidth: 4hp\u003c\/li\u003e\r\n\u003cli\u003eMax Depth: 24mm\u003c\/li\u003e\r\n\u003cli\u003ePower: 27mA@ +12V, 27mA @ -12V\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Make Noise","offers":[{"title":"Default Title","offer_id":44449732198503,"sku":"48418","price":119.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/make-noise-fxdf_48418_1_2174d308-fad6-48c8-85a6-6152bd24f538.jpg?v=1787090176"},{"product_id":"make-noise-rxmx","title":"Make Noise RxMx","description":"\u003cp\u003eThe \u003cstrong\u003eMake Noise RxMx\u003c\/strong\u003e is based on Grant Richter’s circuit idea for applying “cadavre exquis” (aka exquisite corpse, a technique of serial blind composition) to modular synthesis. If modulated by a Wogglebug, one will achieve modular “cadavre exquis.” If patch programmed using a sequencer such as the Pressure Points\/ BRAINS or René, modular “mélange automatique” (automatic re-mixing) could be achieved. The Level and Strike parameters are similar to those of the Optomix where Level is controlling amplitude and frequency content simultaneously and Strike triggers the LPG (Low Pass Gate) circuit by “plucking” or “pinging” the vactrol, thus allowing it to impart its magically slow response time upon the amplitude of the signal being processed.  The Channel parameter selects which of the 6 Low Pass Gate circuits is driven by the Level and Strike parameters and the Radiate parameter turns on channels adjacent to the selected channel. At maximum Radiate settings all six channels become active simultaneously. Radiate therefore allows for voltage control of the complexity of the mix ranging from 1 to 6 active sound sources, while Channel selects the focal point of the mix.\u003cbr\u003e\u003cbr\u003e\r\n\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eWidth: 20hp\u003c\/li\u003e\r\n\u003cli\u003eMax Depth: 24mm\u003c\/li\u003e\r\n\u003cli\u003ePower: 35mA@ +12V, 30mA @ -12V\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Make Noise","offers":[{"title":"Default Title","offer_id":44449732427879,"sku":"48437","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/make_noise_rxmx_4ff8bf43-1741-4141-8b46-439287f3fa1c.jpg?v=1787090177"},{"product_id":"snazzy-fx-tidal-wave","title":"Snazzy FX Tidal Wave","description":"\u003cp\u003eWith the \u003cstrong\u003eSnazzy FX Tidal Wave\u003c\/strong\u003e a flexible VC-Mix\/crossfader section is used to create comb filter effects. A VC-LFO and an autotrigger envelope plus an internal modulation buss are used for CV routing with interesting opposite going modulations. All sections of the module can be used individually.  While each component usable individually, the Tidal Wave benefits from the interaction of all sections and the flexible routing, the simultaneous modulations of the filter and the waveshaper, resulting in phase cancellations and comb filter effects as well as from the settings of the voltage controlled mixer.\u003c\/p\u003e\r\n\u003cp\u003eThe filter is a 4-pole low pass with voltage controlled resonance (Q to be exact) with three different Q modes: normal, compressed and high-Q. The self-oscillation possible in the last mode generates a sine wave that can be used as audio source which turns the Tidal Wave into a synth voice. Feedback can draw it’s signal either from the filter or from the wave shaper.  A voltage controlled mixer blends between the sound processors: dry\/vcf, dry\/waveshaper (ws), vcf\/ws and so on. The control voltage can originate from the internal AD envelope generator which features autotrigger modes or triggering by the LFO. The LFO can modulate the mix and the filter and a three-position switch selects a number of routings which partially have different phase.\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eCV wave folder \/ shaper with 3 parameter control\u003c\/li\u003e\r\n\u003cli\u003eVCF four pole filter with 2 resonance modes\u003c\/li\u003e\r\n\u003cli\u003eSelectable VC mixer \u0026amp; crossfader\u003c\/li\u003e\r\n\u003cli\u003eFEEDBACK section with two modes\u003c\/li\u003e\r\n\u003cli\u003eVcLfo with sine\/tri\/sqr and output\u003c\/li\u003e\r\n\u003cli\u003eLin fm input on filter\u003c\/li\u003e\r\n\u003cli\u003eBuilt-in attack\/release envelope with output\u003c\/li\u003e\r\n\u003cli\u003eInternal CV and LFO bus\u003c\/li\u003e\r\n\u003cli\u003eBuilt in Vca\u003c\/li\u003e\r\n\u003cli\u003e1\/v oct Sine VCO in self osc mode\u003c\/li\u003e\r\n\u003cli\u003eUsable as a voice or for processing signals\u003c\/li\u003e\r\n\u003cli\u003eDC coupled Folder\/Filter\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Snazzy FX","offers":[{"title":"Default Title","offer_id":44449743962215,"sku":"48486","price":465.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/snazzyfx_tidal-wave_front_d03a2bfb-98c0-4e2a-938b-df0e0b22f491.jpg?v=1787090227"},{"product_id":"snazzy-fx-dreamboat","title":"Snazzy FX Dreamboat","description":"\u003cp\u003eThe \u003cstrong\u003eSnazzy FX Dreamboat\u003c\/strong\u003e has two oscillator sections to the module, the top half is an audio rate chaotic oscillator and the lower half outputs LFO rate signals. With its five outputs, the Dreamboat allows you to connect to plenty of modules all at once, allowing all kinds of modulation and listening possibilities.When used with an oscilloscope or a scope program in X\/Y mode, the Dreamboat allows you to view its chaotic attractors in realtime.  Allowing for unique rhythms through the use of the gate output, a typical setup might see the Dreamboat involved in a few feedback loops while controlling an ADSR and a VCA with its gate output. When used with TIP-TOP’s special dual cables, hearing AND viewing the Dreamboat at the same time is a snap.\u003c\/p\u003e\r\n\u003cp\u003eThe Dreamboat is easy to use, just turn the knobs until the Chaos starts, then add modulation, cross-couple the two sections, and bring in a VCO or Noise module. For even more far out sounds, we recommend the use of two or even three Dreamboats for a truly powerful setup. Though the Dreamboat is not an oscillator in a way you might be used to, it will push you into new musical directions.  From subtle to destructive, from scary to absurd, the Dreamboat is a strange bird.\u003c\/p\u003e\r\n\u003cp\u003eUse the Dreamboat to create everything from strange fogs to banging pots and pans, use it to explore Chaos or simply to have a truly unique module in your setup.\u003c\/p\u003e","brand":"Snazzy FX","offers":[{"title":"Default Title","offer_id":44449744158823,"sku":"48479","price":225.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/snazzyfx_dreamboat_front_e73db20e-eb5e-4d57-8572-c561706b6aba.jpg?v=1787090227"},{"product_id":"intellijel-uvcf","title":"Intellijel uVCF","description":"\u003cp\u003eThe \u003cstrong\u003eIntellijel uVCF\u003c\/strong\u003e is another great David Dixon filter design. It is a very clean and precise filter that also doubles as an excellent sine VCO.\u003c\/p\u003e  \u003cp\u003eIt responds very well to FM and the small size makes it a nice choice for smaller system.\u003c\/p\u003e","brand":"Intellijel","offers":[{"title":"Default Title","offer_id":44449744224359,"sku":"48007","price":160.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/intellijel-uvcf_48007_1_70c8924a-bb19-4a55-9ef6-19edaa62a2c2.jpg?v=1787090228"},{"product_id":"intellijel-korgasmatron-ii-expander","title":"Intellijel Korgasmatron II Expander","description":"\u003cp\u003eThe \u003cstrong\u003eKorgasmatron II Expander\u003c\/strong\u003e module allows for cv control of the q for each filter.\u003c\/p\u003e\r\n\u003cp\u003eAn additional special feature of the Korgasmatron II design is that you can also have extra inputs to each filter that has its own selectable filter type independent of the main filter type. so for example i can have filter a on the main module set to LPF and then run a second signal into the same filter but in BPF mode. both signals come out of the same output.\u003c\/p\u003e\r\n\u003cp\u003eKorgasmatron II expander:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e6 hp skiff friendly (totally passive)\u003c\/li\u003e\r\n\u003cli\u003evc of q for filter a and filter b\u003c\/li\u003e\r\n\u003cli\u003eauxiliary input for filter a and b with independent filter type selection\u003c\/li\u003e\r\n\u003cli\u003eattaches to korgasmatron ii via single ribbon cable\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Intellijel","offers":[{"title":"Default Title","offer_id":44449744552039,"sku":"48005","price":80.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/intellijel_korgasmatron-ii_expander_513b9993-0b63-4ef5-9c28-78e2cae2830a.jpg?v=1787090229"},{"product_id":"intellijel-korgasmatron-ii","title":"Intellijel Korgasmatron II","description":"\u003cp\u003eThe \u003cstrong\u003eKorgasmatron II\u003c\/strong\u003e builds off the success of the original Korgasmatron but adds many new features. The Korgasmatron II has a completely independent six mode filter on each side which are selected via a rotary switch. We have also added a special overdrive feature so that the output signal can be soft or hard clipped depending on how hard you drive it into the circuit. This is controlled via the input amp which starts clipping when you put the knob past 12 o’clock (assuming an standard 10vpp input waveform). There are switches to select hard or soft clipping. this effect is subtle on simple waveform sources and dramatic on more complex sources (like chords).\u003c\/p\u003e\r\n\u003cp\u003eThe xfade circuit has also been redesigned to use the same circuit as found in the ufade module with independent cv attenuation.\u003c\/p\u003e\r\n\u003cp\u003eAlso being released is the korgasmatron ii expander module which allows for cv control of the q for each filter.\u003c\/p\u003e\r\n\u003cp\u003eA very special feature of the korgasmatron ii design is that you can also have extra inputs to each filter that has its own selectable filter type independent of the main filter type. So for example you can have filter A on the main module set to LPF and then run a second signal into the same filter but in BPF mode. Both signals come out of the same output. This is really useful for complex layering or more creative applications like special feedback patching between the two inputs and outputs to create weird and aggressive filter responses.\u003c\/p\u003e\r\n\u003cp\u003eJust like the original Korgasmatron this filter can go from clean and precise to howling and aggressive. From classic ms20 type sounds to totally new territory all depending on how you play with the front panel controls.\u003c\/p\u003e\r\n\u003cp\u003e20hp and skiff friendly Dual filter + Xfade \u003cbr\u003eSix filter types per filter:\u003c\/p\u003e\r\n\u003col\u003e\r\n\u003cli\u003e lowpass 1-pole\u003c\/li\u003e\r\n\u003cli\u003e lowpass 2-pole\u003c\/li\u003e\r\n\u003cli\u003e bandpass 1-pole\u003c\/li\u003e\r\n\u003cli\u003e highpass 2-pole\u003c\/li\u003e\r\n\u003cli\u003e highpass 1-pole\u003c\/li\u003e\r\n\u003cli\u003e band reject (notch) 1-pole (different than notch on original)\u003c\/li\u003e\r\n\u003c\/ol\u003e\r\n\u003cp\u003eBoth filters track 1v\/oct over 3-4 octaves (makes a great vco) Switch to configure serial or parallel routing Output soft and hard clipping Resonance soft clipping control (q drive) All knobs bolted to panel.\u003c\/p\u003e","brand":"Intellijel","offers":[{"title":"Default Title","offer_id":44449744650343,"sku":"48000","price":390.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/intellijel_korgasmatron-ii_59d5f16d-1124-4cec-a0af-8f88a2987532.jpg?v=1787090230"},{"product_id":"intellijel-atlantis","title":"Intellijel Atlantis","description":"\u003cp\u003eThe \u003cstrong\u003eIntellijel Atlantis\u003c\/strong\u003e is heavily inspired by the architecture and sound of the classic Roland SH-101. Just like the 101 it is quick to dial in beautifully rich bass and lead sounds but there is much more  sonic territory to explore as well.\u003c\/p\u003e  \u003cp\u003eThe Atlantis uses triangle core VCOs (based on the Dixie core) instead of Saw core which respond much more musically to FM. The modulation oscillator can be used as an LFO or VCO (audio rate) and both track very precisely over 8 or more octaves.\u003c\/p\u003e  \u003cp\u003eIn the mixer section you can adjust the balance of the primary oscillators waveforms including a sinewave which is normalled to the EXT IN jack. You could also patch in one of the modulation oscillators waveforms into this channel and be able to operate the Atlantis as a proper two oscillator synth. There is a switch labelled “LINK” which enables the modulation VCO pitch to be based as an offset of the primary VCO. This is useful when using it as a stacked dual VCO or when you have the mod VCO acting as the linear FM source for the primary VCO and wish to maintain the ratio.\u003c\/p\u003e  \u003cp\u003eThe filter section is a Roland style cascaded 4 pole multimode filter with LP, BP and HP modes. The LP Boost switch engages a special mode useful for the LP that produces a much fatter and prominent sound that is not drowned out by resonance (unlike the original SH-101). The filter self-oscillates to produce a very clean sine wave which also tracks 1V\/Oct. Between the Mod VCO, Primary VCO, Sub Oscillator and resonating filter it is possible to layer up to four different pitches at one time.\u003c\/p\u003e  \u003cp\u003eThe envelope section is an ADSR with a dual range switch. It also can be set to a looping mode which can be gated on\/off externally. The output VCA feeds into a two level output clipping circuit that you can use to get a much ballsier\/dirtier sound.\u003c\/p\u003e  \u003ch3\u003eFeatures:\u003c\/h3\u003e  \u003cp\u003eModulation VCO: triangle core with Hard Sync and Link switch to connect pitch to primary Primary VCO: triangle core with Hard Sync, Octave switches, Linear\/Exp FM and PWM Global modulation bus with four VCO waveforms, noise and S\u0026amp;H options Cascaded 4-Pole multimode filter Looping ADSR with range switch, manual gate, and external level (velocity) control. Three position output clipping circuit 27 jacks for creative and complex patching options Skiff Friendly\u003c\/p\u003e  \u003ch3\u003eEnhancements\/differences from the SH-101 core:\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eDiscrete triangle core VCOs (with far better tracking and Hard sync)  instead of CEM based IC\u003c\/li\u003e \u003cli\u003ePrimary VCO has linear FM (not just exp)\u003c\/li\u003e \u003cli\u003eMOD VCO can be linked to the primary VCO pitch CV\u003c\/li\u003e \u003cli\u003eModulation oscillator switchable from LFO to VCO\u003c\/li\u003e \u003cli\u003eFilter is multimode, 2\/4pole switchable and has a special LP boost mode\u003c\/li\u003e \u003cli\u003eFilter allows for selection of inverted ADSR mod source\u003c\/li\u003e \u003cli\u003eMixer section includes and external source which is normalled to a sinewave\u003c\/li\u003e \u003cli\u003eFilter has built in soft clipping\u003c\/li\u003e \u003cli\u003eEnvelope has looping option, re-trigger and selectable time range\u003c\/li\u003e \u003cli\u003eOutput VCA has two stage clipping circuit\u003c\/li\u003e \u003cli\u003ePatch points for every synthesis section\u003c\/li\u003e \u003c\/ul\u003e","brand":"Intellijel","offers":[{"title":"Default Title","offer_id":44449744781415,"sku":"48008","price":699.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/intellijel-atlantis_48008_1.jpg?v=1787090231"},{"product_id":"mutable-instruments-ripples","title":"Mutable Instruments Ripples","description":"\u003cp\u003e\u003cstrong\u003eRipples by Mutable Instruments\u003c\/strong\u003e delivers a classic, big-sounding analog four-pole filter in a small 8-HP package, continuing Mutable Instruments’ lineage of warm and tasty filters started by the Shruthi SMR4 mkII and 4-Pole Mission.\u003c\/p\u003e\r\n\r\n\u003cp\u003e3 filter modes are available: 2-pole band-pass, 2-pole low-pass, and 4-pole low-pass.\u003c\/p\u003e\r\n\r\n\u003cp\u003eSelf-oscillation is available for all modes and produces a clean sine-wave on the LP4 output. Unlike many classic 4-pole designs, this filter does not suffer from “loudness drop” when resonance is increased. The resonance loudness compensation circuit brings a slight tone coloration reminiscent of the Roland SH\/Jupiter filters, with a very round and “liquid” resonance.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe 4-pole low-pass output is additionally sent to a VCA. This makes Ripples a good “final stage” module.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eInputs\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eSignal in\u003c\/li\u003e\r\n\u003cli\u003eFrequency CV 1 (1V\/Oct)\u003c\/li\u003e\r\n\u003cli\u003eResonance CV. Self oscillation starts at 4V. Control voltages above 5V are non-linearly compressed, for fine control of resonance overdrive\u003c\/li\u003e\r\n\u003cli\u003eFrequency CV 2 (with bipolar attenuator, from -1V\/Oct to 1V\/Oct)\u003c\/li\u003e\r\n\u003cli\u003eVCA level. Control voltages above 5V are non-linearly compressed.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\r\n\u003ch3\u003eControls\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eCutoff frequency, 18Hz to 18kHz\u003c\/li\u003e\r\n\u003cli\u003eResonance (self oscillation at 80%)\u003c\/li\u003e\r\n\u003cli\u003eAttenuverter on Frequency CV\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\r\n\u003ch3\u003eOutputs\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e2-pole BP\u003c\/li\u003e\r\n\u003cli\u003e2-pole LP\u003c\/li\u003e\r\n\u003cli\u003e4-pole LP\u003c\/li\u003e\r\n\u003cli\u003e4-pole LP attenuated by VCA\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\r\n\u003ch3\u003eTechnical characteristics\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eFully analog, based on SSM2164 low noise\/distortion quad VCA chip, and LM13700 OTA for that extra bit of non-linearity.\u003c\/li\u003e\r\n\u003cli\u003eFrequency CV inputs impedance: 100k.\u003c\/li\u003e\r\n\u003cli\u003eAudio input impedance: 75k.\u003c\/li\u003e\r\n\u003cli\u003eResonance and VCA CV input impedance: 30k.\u003c\/li\u003e\r\n\u003cli\u003eOpen-source hardware.\u003c\/li\u003e\r\n\u003cli\u003e8-HP.\u003c\/li\u003e\r\n\u003cli\u003eCurrent consumption: +12V: 35mA ; -12V: 35mA.\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Mutable Instruments","offers":[{"title":"Default Title","offer_id":44449750745191,"sku":"50091","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/mutable_ripples_top_a7aed7c2-e2ba-4169-bfac-ee8f4e92f4fe.jpg?v=1787090255"},{"product_id":"pittsburgh-modular-filter","title":"Pittsburgh Modular Filter","description":"\u003cp\u003eThe \u003cstrong\u003eFilter\u003c\/strong\u003e is a voltage controlled, analog, state variable filter. The state variable topology was chosen because it allowed us to produce a very smooth and natural sounding filter, in addition to offering several other modes of operation, each with a unique sound and energy all their own.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eThere Is No Sweet Spot\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe Filter defines the Jekyll and Hyde sound of Pittsburgh Modular. On the one hand, it offers a warm, organic sweep through the full frequency range.  The lowpass filter is gummy and relaxed while the highpass is clean and defined.  On the other hand, switching into oscillator mode turns the Filter into a howling beast capable of chunky walls of distortion and noise.  The goal was to produce a filter that does not have a single sweet spot. We worked to make every turn of a knob or flip of a switch offer something new and musically engaging.\u003c\/p\u003e\r\n\r\n\u003ch4\u003eFilter Responses\u003c\/h4\u003e\r\n\r\n\u003cp\u003eMultiple filter responses are available simultaneously including lowpass, highpass, and bandpass. The fourth filter response is a variable response that shifts between lowpass, notch, and highpass.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eControls:\u003c\/h3\u003e\r\n\r\n\u003cp\u003eQ Pot: Adjusts the resonance (Q) of the filter.\u003c\/p\u003e\r\n\r\n\u003cp\u003eFREQ Pot: Adjusts the Frequency of the filter.\r\nL-H Pot: Sweeps between lowpass, notch, and highpass filters.\r\nQCV Pot and Jack: Resonance (Q) control voltage input and attenuverter.\r\nFCV Pot and Jack: Frequency control voltage input and attenuverter.\r\n1-Q Switch: Switch between Gain to 1 (VCA Mode) and Gain of Q (Standard Mode)\r\nF-O Switch: Switch between Filter and Oscillator Modes\r\nLOW Jack: Lowpass Output\r\nL-H Jack: Output based off of the L-H Pot\r\nHI Jack: Highpass Output\u003c\/p\u003e\r\n\r\n\u003ch4\u003eSwitch It Up\u003c\/h4\u003e\r\n\r\n\u003cp\u003eTwo switches, Gain and Mode, further expand the capabilities of the Filter. The Gain switch modifies the functionality of the Q while the Mode switch toggles between filter and oscillator modes.\u003c\/p\u003e\r\n\r\n\u003cp\u003eGain Switch (1-Q) Setting the Gain switch to \"1\" adds an inverted VCA response to the Q. Increasing the resonance (Q) decreases the output level of the Filter. An example patch would be to set the Gain switch to \"1\" and send a control voltage from an envelope generator to the QCV input.  Switching the Gain switch to \"Q\" returns the standard filter Q response.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe Mode switch (F-O) switches between Filter and Oscillator modes. Set to (F)ilter, the Pittsburgh Modular Filter will not self oscillate, and operates as a clean, organic filter. Set to (O)scillator and without an incoming audio signal, the Filter produces a high quality voltage controlled sine wave. Adjusting the Q while in (O)scillator mode modifies the shape of the waveform.  Add an incoming audio signal to the (O)scillator mode and the output changes dramatically.  At normal settings the incoming signal modulates the self oscillating filter to produce complex sounds. At more extreme settings, where the Filter starts to struggle with self oscillation, the Q adds anything from ringing fuzz to heavy distortion to the incoming audio.\u003c\/p\u003e\r\n\r\n\u003cp\u003eSize: 12hp\r\nDepth: 35mm\r\nPower Usage: 31mA\u003c\/p\u003e","brand":"Pittsburgh Modular","offers":[{"title":"Default Title","offer_id":44449751040103,"sku":"49987","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/pittsburgh_filter_cbd2fb28-741b-46b8-ae38-b2578268d658.jpg?v=1787090257"},{"product_id":"studio-electronics-boomstar-4075-analog-synthesizer","title":"Studio Electronics Boomstar 4075 Analog Synthesizer","description":"\u003cp\u003eDriven by rapid fire hardware envelope snap, and near Modular sound flexibility (at the flip of any of its 20 toggle switches), the \u003cstrong\u003eStudio Electronics Boomstar® 4075 Desktop synth\u003c\/strong\u003e is a performer and sound designer's waking dream. The Boomstar foundation: two Oscillators—stackable waveforms with Sub OSC, two Envelopes—invertible, loopable, with \u003cem\u003edrone\u003c\/em\u003e and \u003cem\u003emaster\u003c\/em\u003e modes, is accented expressively by hardware XMod and exponential glide, extensive modulation routing.\u003c\/p\u003e\r\n\r\n\u003cp\u003eA flexible software LFO: jacked for heavy lifting and fine-tuned experimentation—even go \"off synth\" with the external input and color exotic oscillations.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe quick-turn shaft pots along the bottom for the hardware Ring Mod, Noise, Filter Feedback and VCO Levels make vital sonic change intimate, immediate, and indispensable; the adjacent Overdrive switch adds warmth and edge. Thirty one pots insure fluid, intuitive mastery over wide-ranging sweep and subtlety of tone: feather in the changes or whip them suddenly and rhythmically into shape.\u003c\/p\u003e\r\n\r\n\u003cp\u003eMonophonic analog synthesizer with flexible sound generation (2 VCOs, cross modulation, noise, ringmod) as well as overdrive and feedback. Loopable envelopes and a MIDI-syncable LFO are there for modulation duties. Patch sockets for contol voltages enable interfacing e.g. with a modular synth.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe synth is capable of many sounds, from mighty leads to thick basses, crazy FM sounds to cutting sync sounds.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe version 4075 is equipped with a really good sounding ARP 2600 lowpass filter.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\r\n\u003cp\u003eVCO1 has a six-position octave switch (from LO to 2´), sync, pulse width modulation and a sub-oscillator. Up to two wave forms can be mixed with the wave-mix switches: triangle\/sawtooth or sine\/pulse. VCO2 can be removed from the keybaord tracking, has six octave ranges, switchable wave forms (saw, triangle and pulse), a detune control and a control for modulation intensity with Env1 or Env2 as selectable modulation source. Cross modulation of VCO2 to pulse width or frequency of VCO1 is available, too.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe oscillators, the ring modulator and the noise are mixed in the mixer section at the bottom where you´ll find also the lovely feedback control and en external audio input.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe filter is a resonent ARP 2600 low pass filter with keyboard tracking (0%, 50% or 100%). Besides the modulation intensity control for Env1 there´s also a modulation control for VCO2 or the LFO as source.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe first ADSR type envelope is assigned to the filter. It can be inverted and even looped. The second ADSR also offers an inverting function, additionally triggering by the LFO and different keyboard trigger modes. In the DRONE position of the master switch the VCA stays opened what makes filtering external sounds possible without constantly pressing a key.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe LFO can be synched to the MIDI clock if desired, offers nine wave forms and can e assigned to the pulse widths or frequencies of the VCOs.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe VCA is being modulated by the 2nd envelope, has a volume control and two overdrive modes. in the lowest section left of the mixer you´ll find additional tiny controls for main tune, pitch bend intensity, glide time, dynamics and modulation intensity of Env1 to VCO1´s PWM.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eConnectors\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eback:\u003c\/strong\u003e power inlet (6 pin DIN), MIDI In and Out (5-pin DIN), Audio output (6.35mm = 1\/4\" socket)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003efront:\u003c\/strong\u003e frequency CV input, gate input, fliter cutoff CV input, VCA CV input, oscillator output, external audio input (all 3.5mm sockets)\u003c\/p\u003e\r\n\r\n\u003ch3\u003eDimensions\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 22,2cm wide  18.6cm deep  10.6cm high\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eweight:\u003c\/strong\u003e 2.3kg (synth only, without power supply and box)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStudio Electronicnic's Boomstar systems include:\u003c\/strong\u003e\r\npatchable, discrete, through-hole, hand-matched transistor, American-made analog synthesizers are as rugged as they are flexible; inspiring instruments built to last a lifetime, and then some, no matter which brilliant, hand-crafted filter model you choose.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449751892071,"sku":"44016","price":1099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/se.boomstar_4075_1front_6ae4a77a-2eaa-4afa-ac3f-5dee73c82c41.jpg?v=1787090260"},{"product_id":"studio-electronics-boomstar-5089-analog-synthesizer","title":"Studio Electronics Boomstar 5089 Analog Synthesizer","description":"\u003cp\u003eDriven by rapid fire hardware envelope snap, and near Modular sound flexibility (at the flip of any of its 20 toggle switches), the \u003cstrong\u003eStudio Electronics Boomstar® 5089 Desktop synth\u003c\/strong\u003e is a performer and sound designer's waking dream. The Boomstar foundation: two Oscillators—stackable waveforms with Sub OSC, two Envelopes—invertible, loopable, with \u003cem\u003edrone\u003c\/em\u003e and \u003cem\u003emaster\u003c\/em\u003e modes, is accented expressively by hardware XMod and exponential glide, extensive modulation routing.\u003c\/p\u003e\r\n\r\n\u003cp\u003eA flexible software LFO: jacked for heavy lifting and fine-tuned experimentation—even go \"off synth\" with the external input and color exotic oscillations.nThe synth is capable of many sounds, from mighty leads to thick basses, crazy FM sounds to cutting sync sounds.\u003c\/p\u003e\r\n\r\n\u003cp\u003eMonophonic analog synthesizer with flexible sound generation (2 VCOs, cross modulation, noise, ringmod) as well as overdrive and feedback. Loopable envelopes and a MIDI-syncable LFO are there for modulation duties. Patch sockets for contol voltages enable interfacing e.g. with a modular synth.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe synth is capable of many sounds, from mighty leads to thick basses, crazy FM sounds to cutting sync sounds. The version 5089 has a Moog low pass filter.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\r\n\u003cp\u003eVCO1 has a six-position octave switch (from LO to 2´), sync, pulse width modualtion and a sub-oscillator. Up to two wave forms can be mixed with the wave-mix switches: triangle\/sawtooth or sine\/pulse. VCO2 can be removed from the keyboard tracking, has six octave ranges, switchable wave forms (saw, triangle and pulse), a detune control and a control for modulation intensity with Env1 or Env2 as selectable modulation source. Cross modulation of VCO2 to pulse width or frequency of VCO1 is available, too.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe oscillators, the ring modulator and the noise are mixed in the mixer section at the bottom where you´ll find also the lovely feedback control and en external audio input.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe filter is a resonant 24dB Moog-ladder low pass filter with keyboard tracking (0%, 50% or 100%). Besides the modulation intensity control for Env1 there´s also a modulation control for VCO2 or the LFO as source.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe first ADSR type envelope is assigned to the filter. It can be inverted and even looped. The second ADSR also offers an inverting function, additionally triggering by the LFO and different keyboard trigger modes. In the DRONE position of the master switch the VCA stays open what makes filtering external sounds possible without constantly pressing a key.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe LFO can be synched to the MIDI clock if desired, offers nine wave forms and can e assigned to the pulse widths or frequencies of the VCOs.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe VCA is being modulated by the 2nd envelope, has a volume control and two overdrive modes. in the lowest section left of the mixer you´ll find additional tiny controls for main tune, pitch bend intensity, glide time, dynamics and modulation intensity of Env1 to VCO1´s PWM.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eConnectors\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eback:\u003c\/strong\u003e power inlet (6 pin DIN), MIDI In and Out (5-pin DIN), Audio output (6.35mm = 1\/4\" socket)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003efront:\u003c\/strong\u003e frequency CV input, gate input, fliter cutoff CV input, VCA CV input, oscillator output, external audio input (all 3.5mm sockets)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStudio Electronicnic's Boomstar systems include:\u003c\/strong\u003e\r\npatchable, discrete, through-hole, hand-matched transistor, American-made analog synthesizers are as rugged as they are flexible; inspiring instruments built to last a lifetime, and then some, no matter which brilliant, hand-crafted filter model you choose.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449751924839,"sku":"44014","price":1099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/se.boomstar_5089_1front_a8767d50-9aaf-4b66-8aa3-2eec5cb71946.jpg?v=1787090259"},{"product_id":"studio-electronics-boomstar-se80-analog-synthesizer","title":"Studio Electronics Boomstar SE80 Analog Synthesizer","description":"\u003cp\u003eDriven by rapid fire hardware envelope snap, and near Modular sound flexibility (at the flip of any of its 20 toggle switches), the \u003cstrong\u003eStudio Electronics Boomstar® SE80 Desktop synth\u003c\/strong\u003e is a performer and sound designer's waking dream. The Boomstar foundation: two Oscillators—stackable waveforms with Sub OSC, two Envelopes—invertible, loopable, with \u003cem\u003edrone\u003c\/em\u003e and \u003cem\u003emaster\u003c\/em\u003e modes, is accented expressively by hardware XMod and exponential glide, extensive modulation routing.\u003c\/p\u003e\r\n\r\n\u003cp\u003eA flexible software LFO: jacked for heavy lifting and fine-tuned experimentation—even go \"off synth\" with the external input and color exotic oscillations.nThe synth is capable of many sounds, from mighty leads to thick basses, crazy FM sounds to cutting sync sounds.\u003c\/p\u003e\r\n\r\n\u003cp\u003eGet the sweet and penetrating sound of the classic Yamaha CS-80 lowpass filter with the Studio Electronics Boomstar SE80 analog synthesizer module. If you've always wanted to get your hands on a classic analog synth, but could never justify either the expense or the potential frustration of making that happen, then you're going love the vibe and style of the Boomstar SE80. This totally analog synth features a pair of super-flexible oscillators, tons of routing and modulation options, and a classic CS-80-style lowpass filter. And thanks to its extensive MIDI and CV capabilities, it's easy to add a Studio Electronics Boomstar SE80 to your keyboard rig.\u003c\/p\u003e\r\n\r\n\r\n\r\n\r\n\u003ch3\u003eConnectors\u003c\/h3\u003e\r\n\r\n\u003cp\u003eback: power inlet (6 pin DIN), MIDI In and Out (5-pin DIN), Audio output (6.35mm = 1\/4\" socket)\r\nfront: frequency CV input, gate input, fliter cutoff CV input, VCA CV input, oscillator output, external audio input (all 3.5mm sockets)\u003c\/p\u003e\r\n\r\n\u003ch3\u003eDimensions\u003c\/h3\u003e\r\n\r\n\u003cp\u003eDimensions: 22,2cm wide;  18,6cm deep;  10,6cm high\r\nweight: 2,3kg (synth only, without power supply and box)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStudio Electronicnic's Boomstar systems include:\u003c\/strong\u003e\r\npatchable, discrete, through-hole, hand-matched transistor, American-made analog synthesizers are as rugged as they are flexible; inspiring instruments built to last a lifetime, and then some, no matter which brilliant, hand-crafted filter model you choose.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449751957607,"sku":"44019","price":1099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/se.boomstar_se80_1front_96c6bf51-00a9-46d1-84ec-d3f9c090b9d0.jpg?v=1787090260"},{"product_id":"studio-electronics-boomstar-sem-analog-synthesizer","title":"Studio Electronics Boomstar SEM Analog Synthesizer","description":"\u003cp\u003eDriven by rapid fire hardware envelope snap, and near Modular sound flexibility (at the flip of any of its 20 toggle switches), the \u003cstrong\u003eStudio Electronics Boomstar® SEM Desktop synth\u003c\/strong\u003e is a performer and sound designer's waking dream. The Boomstar foundation: two Oscillators—stackable waveforms with Sub OSC, two Envelopes—invertible, loopable, with \u003cem\u003edrone\u003c\/em\u003e and \u003cem\u003emaster\u003c\/em\u003e modes, is accented expressively by hardware XMod and exponential glide, extensive modulation routing.\u003c\/p\u003e\r\n\r\n\u003cp\u003eA flexible software LFO: jacked for heavy lifting and fine-tuned experimentation—even go \"off synth\" with the external input and color exotic oscillations.nThe synth is capable of many sounds, from mighty leads to thick basses, crazy FM sounds to cutting sync sounds.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\r\n\u003cp\u003eVCO1 has a six-position octave switch (from LO to 2´), sync, pulse width modualtion and a sub-oscillator. Up to two wave forms can be mixed with the wave-mix switches: triangle\/sawtooth or sine\/pulse. VCO2 can be removed from the keyboard tracking, has six octave ranges, switchable wave forms (saw, triangle and pulse), a detune control and a control for modulation intensity with Env1 or Env2 as selectable modulation source. Cross modulation of VCO2 to pulse width or frequency of VCO1 is available, too.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe oscillators, the ring modulator and the noise are mixed in the mixer section at the bottom where you´ll find also the lovely feedback control and en external audio input.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe filter is a resonant Oberheim SEM 12dB low pass filter with keyboard tracking (0%, 50% or 100%). Besides the modulation intensity control for Env1 there´s also a modulation control for VCO2 or the LFO as source.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe first ADSR type envelope is assigned to the filter. It can be inverted and even looped. The second ADSR also offers an inverting function, additionally triggering by the LFO and different keyboard trigger modes. In the DRONE position of the master switch the VCA stays open what makes filtering external sounds possible without constantly pressing a key.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe LFO can be synched to the MIDI clock if desired, offers nine wave forms and can e assigned to the pulse widths or frequencies of the VCOs.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe VCA is being modulated by the 2nd envelope, has a volume control and two overdrive modes. in the lowest section left of the mixer you´ll find additional tiny controls for main tune, pitch bend intensity, glide time, dynamics and modulation intensity of Env1 to VCO1´s PWM.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eConnectors\u003c\/h3\u003e\r\n\r\n\u003cp\u003eback: power inlet (6 pin DIN), MIDI In and Out (5-pin DIN), Audio output (6.35mm = 1\/4\" socket)\u003c\/p\u003e\r\n\r\n\u003cp\u003efront: frequency CV input, gate input, fliter cutoff CV input, VCA CV input, oscillator output, external audio input (all 3.5mm sockets)\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStudio Electronicnic's Boomstar systems include:\u003c\/strong\u003e\r\npatchable, discrete, through-hole, hand-matched transistor, American-made analog synthesizers are as rugged as they are flexible; inspiring instruments built to last a lifetime, and then some, no matter which brilliant, hand-crafted filter model you choose.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449752023143,"sku":"44018","price":1099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/se.boomstar_sem_1front_e80b4cda-bd33-411e-a8b2-bd2b821565c0.jpg?v=1787090260"},{"product_id":"tiptop-audio-z2040-4-pole-prophet-5-vcf","title":"Tiptop Audio Z2040 4-Pole Prophet 5 VCF","description":"\u003cp\u003e\u003cstrong\u003eTipTop's Z2040\u003c\/strong\u003e is a discrete clone of the Prophet 5`s low pass filter with come additonal features like voltage controlled gain and resonance. The gain parameter allows for overdriving the filter.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\r\n\u003cp\u003eVoltage controlled, 24dB\/octave steep, 4-pole lowpass filter based on the original US patent of the SSM2040 filter chip from Sequential Circuits' Prophet 5 Rev2.\r\nFM is the cutoff modulation parameter with a voltage controllable modulation depth (VC-FM)\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe gain is adjustable and until the 1h position (marked with \"0dB\") the filter is pretty smooth but above that the sound gets more and more overdriven. A VCA pre-filter makes the gain voltage controllable; alternatively you can route the VCA post-filter with a jumper.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eConnectors\u003c\/h3\u003e\r\n\r\n\u003cp\u003eaudio: input and output\r\nCV inputs for cutoff (FM), cutoff modulation depth (VC-FM), gain and resonance\u003c\/p\u003e\r\n\r\n\u003ch3\u003eDimensions\u003c\/h3\u003e\r\n\r\n\u003cp\u003e3U Eurorack module, 8HP wide, 42mm deep\r\ncurrent draw 20mA\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\r\n0.3 kg   -   0.66 lbs\u003c\/p\u003e","brand":"Tiptop Audio","offers":[{"title":"Default Title","offer_id":44449752842343,"sku":"50192","price":235.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/tiptiop-audio-z2040_50192_1_78df9261-980a-4740-bf80-330d1943d0b6.jpg?v=1787090263"},{"product_id":"make-noise-lxd","title":"Make Noise LxD - Low Strike Duo","description":"\u003cp\u003eThe \u003cstrong\u003eMake Noise LxD (Low Strike Duo)\u003c\/strong\u003e, is a dual-response, two channel, direct-coupled, Low Pass Gate, which utilizes vactrols in order to provide simultaneous control over the Amplitude and Frequency Spectrum of an Input Signal.\u003c\/p\u003e  \u003cp\u003eIt is, in essence, a VCFA (Voltage Controlled Filter Amplifier). Unlike the Optomix, the LxD offers two different filter responses. CH. 1 offers a 12dB\/Octave response that is mildly-resonant, while CH. 2 offers a 6dB\/Octave that is non-resonant. The Output of CH. 1 is normalled to the Input of CH. 2. This normalization puts the two channels in series, which is similar to the VCF into VCA arrangement made popular by many monosynths of the 1970s.\u003c\/p\u003e     \u003ch3\u003eSpecifications:\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eWidth: 4hp\u003c\/li\u003e \u003cli\u003eMax Depth: 36mm\u003c\/li\u003e \u003cli\u003ePower:  \u003cul\u003e \u003cli\u003e20mA@ +12V\u003c\/li\u003e \u003cli\u003e20mA @ -12V\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"Make Noise","offers":[{"title":"Default Title","offer_id":44449761886311,"sku":"50634","price":110.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/make-noise_lxd_4f8b4522-68ea-4cbd-9b92-41078101068b.jpg?v=1787090302"},{"product_id":"sequential-dsm01-curtis-filter-module","title":"Sequential DSM01 Curtis Filter Module","description":"\u003cp\u003eThe \u003cstrong\u003eDave Smith Instruments DSM01 Curtis Filter\u003c\/strong\u003e captures the very heart and soul of the Dave Smith sound. Featured in everything from Dave’s vintage Sequential synths to his recent cutting-edge instruments such as the Prophet 12, the Curtis tone is brash, saturated, and powerful.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003ePlug It and Play It\u003c\/h3\u003eThe DSM01 is a compact, 8 HP Eurorack-format module. Plug it into your modular system and that classic Curtis sonic signature is instantly within a patch chord’s reach. The filter is a resonant low-pass design that can be switched between -12 dB and -24 dB operation and driven into self-oscillation in -24 dB mode. A Boost switch lets you overdrive the input stage for more aggressive coloration.\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eIntegrated VCA\u003c\/h3\u003eIn addition to its Curtis filter, the DSM01 provides its own responsive, low-noise VCA with LED CV indicator. There are two separate outputs—one pre-amplifier and the other post-amplifier. This not only gives you added signal routing flexibility, but also frees your system’s existing VCAs for other tasks.\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eGive Your Modular System the Edge\u003c\/h3\u003eIf you’re a typical modular user, you’re always on the lookout for new and interesting components to enhance your system. The DSM01 is an easy and affordable way to give your system a new sonic edge—with the filter that’s brought some of the world’s most in-demand synths their classic tone and vibe.","brand":"Sequential","offers":[{"title":"Default Title","offer_id":44449796587623,"sku":"53091","price":179.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/dave-smith-curtis-filter_4192c0e5-9df0-428e-9b02-ef8a372a3b72.jpg?v=1787090455"},{"product_id":"roland-system-500-572-phaser-delay-lfo-eurorack-module","title":"Roland System-500 572 - Phaser\/Delay\/LFO Eurorack Module","description":"\u003cp\u003eThe \u003cstrong\u003eRoland 572 Phase Shifter, Delay and LFO Eurorack Module\u003c\/strong\u003e is a time-based, multi-effects module. The 572 includes a five-stage phase shifter, analog audio delay, a control voltage gate delay, and an LFO. The phase shifter has panel controls for shift frequency and resonance amount that can vary from subtle to a deep, lush analog effect. Similarly, the audio delay has independent knob control of delay time and resonance (or feedback) for short chorus-like modulation delays. Both the phase shifter and delay can be modulated by the 572’s internal LFO or external CV signals and feature wet\/dry effects mix controllable via the front panel or with CV.\u003c\/p\u003e  \u003cp\u003eThe LFO section has a knob for controlling frequency and features both normal and inverted output jacks. The gate delay has knobs to control threshold, delay time, and gate time for modifying incoming gate signals from other modules\u003c\/p\u003e","brand":"Roland","offers":[{"title":"Default Title","offer_id":44449798455399,"sku":"53215","price":432.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/roland-systen-572-delay-phase-lfo-eurorack-1_4174c884-39fb-4907-8402-20e589828a95.jpg?v=1787090464"},{"product_id":"roland-system-500-521-dual-vcf-eurorack-module","title":"Roland System-500 521 - Dual VCF Eurorack Module","description":"\u003cp\u003eThe \u003cstrong\u003eRoland 521 Dual VCF (voltage controlled filter) Eurorack Module\u003c\/strong\u003e features two separate low pass filters for modifying the timbre of audio sources. Each filter has it's own dedicated controls for frequency cutoff, resonance, and a fixed high pass filter with two switchable cutoff points. Audio and CV input mixers on each channel allow the blending of multiple audio signals and modulation sources.\u003c\/p\u003e","brand":"Roland","offers":[{"title":"Default Title","offer_id":44449798520935,"sku":"53212","price":411.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/roland-sys-521-system-1_607c4ade-d018-4431-92cb-c48218f16595.jpg?v=1787090465"},{"product_id":"intellijel-polaris","title":"Intellijel Polaris","description":"\u003cp\u003eThe \u003cstrong\u003eintellijel Polaris\u003c\/strong\u003e is a 4-stage, cascaded OTA filter designed by David Dixon. It builds on the lineage of the Dr. Octature and Atlantis filters, but with a totally revised core and resonance control. Along with dedicated LP, HP and BP outputs, it features a configurable MULTI output capable of an unprecedented 27 different filter modes.\u003c\/p\u003e  \u003cp\u003eWith drive turned down the Polaris is capable of buttery smooth filtering, and the cutoff control range has been fine-tuned for playability. With the drive dialed up and the new asymmetric multi distortion circuit engaged it creates a more aggressive sound. Not content to be just a filter, the Polaris’s AP phaser mode combined with frequency modulation can be used to achieve a phaser effect.\u003c\/p\u003e  \u003cp\u003eWith so much versatility in a modest size, the Polaris is an ideal filter for a starter system and an excellent addition to the tonal palette of a larger modular.\u003c\/p\u003e","brand":"Intellijel","offers":[{"title":"Default Title","offer_id":44449815953511,"sku":"54089","price":229.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/intellijel-polaris-v2-23_54089_1.jpg?v=1787090540"},{"product_id":"stg-soundlabs-sea-devils-filter-lowpass-filter","title":"STG Soundlabs Sea Devils Filter Lowpass Filter","description":"\u003cp\u003eThe \u003cstrong\u003eSTG Sea Devils Filter\u003c\/strong\u003e is a three pole diode ladder lowpass filter with voltage controlled resonance. There are two famous 3 pole diode ladder lowpass filters, one of them was in a little silver box of a synthesizer with integrated sequencer that was used to make \"Acid Tracks\" and the other one was was in a big suitcase of a synthesizer with a silver faceplate and semi- integrated sequencer that was used to make tracks on acid often. This is the latter.\u003c\/p\u003e","brand":"STG Soundlabs","offers":[{"title":"Default Title","offer_id":44449852457063,"sku":"55857","price":250.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/stg-soundlabs-sea-devils_55857_1a_05f149c5-65d1-4606-9405-e83f6eb81600.jpg?v=1787090697"},{"product_id":"stg-soundlabs-mankato-filter-lowpass-filter","title":"STG Soundlabs Mankato Filter Lowpass Filter","description":"\u003cp\u003eThe \u003cstrong\u003eSTG Mankato Filter\u003c\/strong\u003e is a four-pole lowpass filter with positive and negative outputs at every pole, giving you slopes of 6 dB\/oct, 12 dB\/oct, 18 dB\/oct, and 24 dB\/oct simultaneously. The negative slope outputs allow you to use the Mankato as a quadrature sine oscillator with 8 available phases. The Mankato will self-resonate from subaudio to superaudio, and responds to one volt per octave through it's unattenuated control inputs. The signal inputs are DC coupled, which allows you to use the Mankato as a voltage-controlled slew limiter.\u003c\/p\u003e","brand":"STG Soundlabs","offers":[{"title":"Default Title","offer_id":44449852489831,"sku":"55858","price":240.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/stg-mankato_55858_1_2f91822a-7eaf-4957-904c-ef7764a9bfc5.jpg?v=1787090697"},{"product_id":"studio-electronics-tb303-toned-voltage-controlled-filter","title":"Studio Electronics 3003 Filter","description":"\u003cp\u003eThe \u003cstrong\u003eStudio Electronics 3003\u003c\/strong\u003e filter is a voltage controlled, discrete analog 18 db\/oct ladder low-pass filter, employing hand-matched transistors. Drop the FREQUENCY knob to 0 and things get pretty dull; swing it back up and those \"Transistor Bass” highs come crashing through the gate. The 3003's RESONANCE circuit at max will sing out more than the TB’s signature chirping in a fun, bubbly, if washy, poorer relation, Mini “clone-ish\" way; use it tastefully, or throw moderation to the wind for overwhelming chirp force.\u003c\/p\u003e\u003cp\u003eThe 3003 filter has the most gentle sonic touch of its partners in the Boomstar fold, but nevertheless is quite capable of shaping precise, very dynamic tone. Whether or not this STUDIO ELECTRONICS filter is filling its traditional baseline boxing niche, driving a harsh, liquid, acid-like tone, a softer more rubber-bandy SH-101-ish voice, or out of the bass range altogether, leading the way, all is within easy reach of this surprisingly warm and versatile VCF. The Modstar 3003 can be distinctly vocal at times, especially when one is willing to put grittier, more distorted desires aside.\u003c\/p\u003e\u003ch3\u003ePotentiometer Potential\u003c\/h3\u003e\u003cp\u003eThree attenuverter and four attenuation pots control the FREQUENCY, RESONANCE, FREQ CV 1, RESO CV, FREQ CV 2, INPUT and OUTPUT, delivering smooth, detailed, and complex expression.\u003c\/p\u003e\u003ch3\u003eSwitch it Up\u003c\/h3\u003e\u003cp\u003eClassic Minimoog FULL and HALF strength filter frequency keyboard\/voltage tracking for rounder low end with brilliant highs.\u003c\/p\u003e\u003ch3\u003ePatch it Up\u003c\/h3\u003e\u003cp\u003eSeven patch points: 1 V\/O, FREQ CV 1, FREQ CV 2, RESO CV, INPUT and 2x OUTPUT direct the deepest manipulation.\u003c\/p\u003e\u003ch3\u003eAll Controls and Patch Points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFREQUENCY – Adjusts the frequency, or cut-off of the filter.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of the filter. *\u003c\/li\u003e\n\u003cli\u003eFULL HALF TRACK – Switch between full and half keyboard\/voltage tracking.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input attenuverter.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eINPUT – Adjusts the audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Adjusts the audio output.\u003c\/li\u003e\n\u003cli\u003e1 V\/O – One volt per octave control voltage input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eINPUT – Audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT x2 – Audio outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePower Usage - 37mA, 25mA (+12 \/ -12)\u003c\/p\u003e\u003cp\u003e-From 7:00 (0) to 9:00 our “Negative Resonance Saturation” adds beefiness, boosting the waveform amplitude and taming waveform transients; set to 9:00 to achieve the cleanest tone possible.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449888108647,"sku":"56776","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-3003-1_4e62df74-e37b-4a0f-ab96-cfd3423f5aba.jpg?v=1787090824"},{"product_id":"studio-electronics-tonestar","title":"Studio Electronics ToneStar 2600","description":"\u003cp\u003eThe \u003cstrong\u003eStudio Electronics TONESTAR\u003c\/strong\u003e is an ARP 2600-inspired synth voice 31 years in the shaping, pre-patched like Pearlman's prodigy, and fully \"outs to outs\" in-the-box modular, allowing for highpass\/bandpass\/notch filter tones, and bristling X-mod effects. Connect CV \/ gate and twist 'n' switch, or pull its tones and voltages apart one 3.5mm cord at a time. 26 knobs, 7 switches, and 21 jacks make for complex and satisfying signal flow, color and collisions. If it gets reedy, route the triangle wave 'round the VCF, and push dat Sub. Nearly thrilling Out to Outs\/Interesting Patches (in case you missed it above).\u003c\/p\u003e\r\n\u003cp\u003eCaswell Knowledge (circuit designer):\u003c\/p\u003e\r\n\u003cp\u003e\"The VCO is the same affair as the Oscillation, the Boomstar, and the Omega. It's kind of a combination of Arp®, Oberheim® and Moog® circuits (sort of a greatest hits), time-tested, very stable—very good tracking over a very large range; certain parts have to be hand selected to achieve that level of exacting performance. Editors Note: This module is a TONESTAR—its own thing—and not a 2600 clone attempt; nevertheless, the Tone☆ tugs lovingly at times on the sleeve of the 1970's era classic.\u003c\/p\u003e\r\n\u003cp\u003eEnvelope FYI: The Tonestar Sustain control replicates the behavior of the 2600 and Odyssey: after the initial Decay, it continues to move (sink) very slowly, adding a little extra texture to the sound. It's technically a flaw, but after digging out my Odyssey, it is for sure a desirable \"quirk\", and the perfect companion to the 4072 filter (which is mistakenly titled a 4075 in the Boomstar Modular line).\u003c\/p\u003e\r\n\u003cp\u003eAnother bit of fun: The LFO is voltage controlled, so you can envelope, LFO, or otherwise modulate both the rate and the depth; the ADSR amount is also voltage controlled, so it can be manipulated by MIDI dynamics, MIDI volume, an LFO, etc. Greg [St. Regis] has decreed that anything must be patchable to anything, so some technically wrong patchings (for example, pulse wave out to ADSR out) may often produce unexpectedly interesting, x-mod\/notch filtering—quite pleasing effects.\u003c\/p\u003e\r\n\u003cp\u003eThe Tonestar was Greg's concept, but as I understood it, the goal was a single oscillator, 2600 VCF, pre-patched and yet fully modular classic synth voice, at a specific size, wielding every trick that Studio Electronics could cram in. Main use would be as a go-to bassline\/lead tool, or a premium quality, entry-level, complete synth module, for root-to-leaf sound design, and multiform analog exploration\/expression.\"\u003c\/p\u003e\r\n\u003cp\u003e( ) represents normalled connections, which will be explained in greater detail before long.\u003c\/p\u003e\r\n\u003ch3\u003e26 Knobbed and \"Shafted\" Potentiometers\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eVCO: FREQUENCY, PULSE WIDTH, LFO (^), GLIDE, MOD (ADSR), SAW, SQUARE, SUB, TUNE; Noise: LEVEL;\u003c\/li\u003e\r\n\u003cli\u003eVCF: FREQUENCY, RESONANCE, TRACK, DRIVE, ADSR, MOD (LFO);\u003c\/li\u003e\r\n\u003cli\u003eLFO: DEPTH (OSC), SPEED; ENVs: (ADSR) ATTACK, DECAY, SUSTAIN, RELEASE, (AR) ATTACK, RELEASE;\u003c\/li\u003e\r\n\u003cli\u003eVCA: FEEDBACK (filter), VOLUME\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003e7 Switches\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eVCO: OCT (up\/down), FREQ\/PW, NO VCF;\u003c\/li\u003e\r\n\u003cli\u003eVCF: FREQ\/RESO;\u003c\/li\u003e\r\n\u003cli\u003eLFO: TRIANGLE\/SQUARE*;\u003c\/li\u003e\r\n\u003cli\u003eENVs: DRONE, MASTER;\u003c\/li\u003e\r\n\u003cli\u003eVCA: IN\/MIX\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003e21 Jacks\u003c\/h3\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eVCO: TRIANGLE, SAWTOOTH, SQUARE, MIX, 1V\/O, MOD IN;\u003c\/li\u003e\r\n\u003cli\u003eNOISE: NOISE (white);\u003c\/li\u003e\r\n\u003cli\u003eLFO: DEPTH, TRIANGLE*, SQUARE, SPEED;\u003c\/li\u003e\r\n\u003cli\u003eVCF: EXT IN, FIL OUT, MOD IN;\u003c\/li\u003e\r\n\u003cli\u003eENVs: MOD IN, ADSR OUT, AR OUT, GATE IN;\u003c\/li\u003e\r\n\u003cli\u003eVCA: IN\/MIX, VCA IN, OUTPUT\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eAll Controls—arranged in order of signal flow—and Patch Points\u003c\/h3\u003e\r\n\u003cp\u003eVCO:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eFREQUENCY – Oscillator frequency attenuator.\u003c\/li\u003e\r\n\u003cli\u003ePULSE WIDTH – Variable pulse wave width control.\u003c\/li\u003e\r\n\u003cli\u003eOCT – +1\/-1 octave switch.\u003c\/li\u003e\r\n\u003cli\u003eLFO (^) – Triangle wave low frequency oscillation to pulse width control.\u003c\/li\u003e\r\n\u003cli\u003eFREQ\/PW – Oscillator frequency, or Pulse (square wave) width to ADSR modulation routing switch. Center off.\u003c\/li\u003e\r\n\u003cli\u003eGLIDE – Slew generator control.\u003c\/li\u003e\r\n\u003cli\u003eTRIANGLE\/NO VCF – Triangle to VCA switch—bypasses VCF.\u003c\/li\u003e\r\n\u003cli\u003eMOD (ADSR) – Oscillation modulation via ADSR control.\u003c\/li\u003e\r\n\u003cli\u003eSAWTOOTH* – Sawtooth wave attenuator.\u003c\/li\u003e\r\n\u003cli\u003eSQUARE* – Square wave attenuator.\u003c\/li\u003e\r\n\u003cli\u003eSUB – Square wave Sub Oscillator attenuator.\u003c\/li\u003e\r\n\u003cli\u003eTRIANGLE* – Waveform output.\u003c\/li\u003e\r\n\u003cli\u003eSAWTOOTH* – Waveform output.\u003c\/li\u003e\r\n\u003cli\u003eSQUARE* – Waveform output.\u003c\/li\u003e\r\n\u003cli\u003eMIX – Composite waveform output.\u003c\/li\u003e\r\n\u003cli\u003e1V\/O – One volt per octave control voltage input.\u003c\/li\u003e\r\n\u003cli\u003eTUNE – Master fine tune (approx. -5\/+ 5 semitones).\u003c\/li\u003e\r\n\u003cli\u003eMOD IN – Modulation CV input. Normaled to ADSR; ADSR is replaced when alt. source connected.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eNoise:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eNOISE – White noise generator output.\u003c\/li\u003e\r\n\u003cli\u003eLEVEL – Noise attenuator.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eVCF:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eFREQUENCY Frequency, or cut-off attenuator\u003c\/li\u003e\r\n\u003cli\u003eRESONANCE – Resonance, or Q attenuator.\u003c\/li\u003e\r\n\u003cli\u003eTRACK – Keyboard\/voltage tracking attenuator.\u003c\/li\u003e\r\n\u003cli\u003eDRIVE – Oscillator output to filter input attenuator.\u003c\/li\u003e\r\n\u003cli\u003eFREQ\/RESO – Filter Frequency, or Resonance to LFO modulation routing switch. Center off position.\u003c\/li\u003e\r\n\u003cli\u003eADSR – Filter to ADSR envelope attenuator.\u003c\/li\u003e\r\n\u003cli\u003eMOD (LFO) – Filter to LFO attenuator.\u003c\/li\u003e\r\n\u003cli\u003eEXT IN – External audio input.\u003c\/li\u003e\r\n\u003cli\u003eFIL OUT – Filter audio output.\u003c\/li\u003e\r\n\u003cli\u003eMOD IN – Frequency or Resonance modulation CV input.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eLFO:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eTRIANGLE\/SQUARE* – Waveform select switch (triangle core).\u003c\/li\u003e\r\n\u003cli\u003eDPTH (OSC) – LFO to Oscillator control.\u003c\/li\u003e\r\n\u003cli\u003eSPEED – Speed or rate attenuator.\u003c\/li\u003e\r\n\u003cli\u003eDEPTH – Control voltage Input.\u003c\/li\u003e\r\n\u003cli\u003eTRIANGLE* – Triangle wave output.\u003c\/li\u003e\r\n\u003cli\u003eSQUARE*– Square wave output.\u003c\/li\u003e\r\n\u003cli\u003eSPEED – Speed or rate CV input.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eENVs:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eATTACK – Attack stage control.\u003c\/li\u003e\r\n\u003cli\u003eDECAY – Decay stage control.\u003c\/li\u003e\r\n\u003cli\u003eSUSTAIN – Sustain stage control.\u003c\/li\u003e\r\n\u003cli\u003eRELEASE – Release stage control.\u003c\/li\u003e\r\n\u003cli\u003eDRONE\/MASTER – Indefinite\/instant sustain, and master mode for ADSR routing switch. Center off.\u003c\/li\u003e\r\n\u003cli\u003eATTACK – Attack stage control\u003c\/li\u003e\r\n\u003cli\u003eRELEASE – Release stage control.\u003c\/li\u003e\r\n\u003cli\u003eMOD IN – Allows for dynamic modulation of the ADSR, eg., if you want the amount of modulation added to\/determined by a external source, jack in; or if you prefer, modulation input to the ADSR routing—use with velocity, or a sequencer: the sequencer could isolate the ADSR amount the amount to a single step in the phrase for example. Exciting. A second external envelope can provide an interesting effect, or the AR (in the box patching).\u003c\/li\u003e\r\n\u003cli\u003eADSR OUT – ADSR output.\u003c\/li\u003e\r\n\u003cli\u003eAR OUT – AR Output.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eVCA:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eFEEDBACK – Oscillator\/filter feedback loop control.\u003c\/li\u003e\r\n\u003cli\u003eVOLUME – Master volume control.\u003c\/li\u003e\r\n\u003cli\u003eVCA\/CV – Amplifier control voltage output.\u003c\/li\u003e\r\n\u003cli\u003eIN\/MIX – VCA mix input switch switch (normalled jack). When set to IN, external audio replaces filter output to VCA; when set to mix MIX, filter output is fed along with the filter audio to VCA.\u003c\/li\u003e\r\n\u003cli\u003eVCA IN – Audio input.\u003c\/li\u003e\r\n\u003cli\u003eOUTPUT – Main output.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eVitals:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003ePCB Mounting Scheme - Through-hole.\u003c\/li\u003e\r\n\u003cli\u003eFilter - Discrete, voltage controlled, 24\/db\/oct cascaded transconductance low-pass filter, employing six pairs of hand-matched transistors.\u003c\/li\u003e\r\n\u003cli\u003eSize - 32hp.\u003c\/li\u003e\r\n\u003cli\u003eDepth - 35mm including connectors.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eOptional DIY Adjustments\u003c\/h3\u003e\r\n\u003cp\u003eUnits #2-15 \/ Noise - The noise on the Tonestar leans to the Pink side, a little dark and moody. Some may like it, some may want the more bright and sizzled white variety. One resistor or capacitor change will shift it to the white spectrum.\u003c\/p\u003e\r\n\u003cp\u003eUnits #2-22 \/ Feedback - The Feedback loop is big, bold and deep on the low end; maybe a bit too much so. One resistor change will reign it in, but still allow enough chaotic madness at maximum level.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449888141415,"sku":"56792","price":639.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-tonestar_56792_1_acfcd9b1-ed86-478d-b9e2-77a32a131d39.jpg?v=1787090824"},{"product_id":"studio-electronics-sem","title":"Studio Electronics SEM","description":"\u003cp\u003eSensei Caswell: \"The \u003cstrong\u003eStudio Electronics SEM\u003c\/strong\u003e is known as a 'Voltage Controlled State Variable Filter' because it provides simultaneous high pass, low pass, and band pass outputs, all with a 12 dB\/oct slope. The notch is the inverse of the bandpass, achieved by summing the low pass and high pass outputs. This version is a combination of the original SEM filter and the newer design from the OBX, along with improvements by SE. It has a modest current draw, which it pulls evenly from the plus and minus rails.\"\u003c\/p\u003e\u003cp\u003eIf you've heard the SEM filter in the Boomstar desktop, you also know that this 12 dB favorite is capable of lighter, more subtle tones than the other three models. This isn't to suggest the filter's Low Pass mode can't cater for fat and punchy, because it can. Looking for deeply gratifying tonal variance and this emotional warmth? our friend Fred Falke's favorite—it can reach into your head and heart, and stay as long as desired. Thank you Lord Tom Oberheim for this marvelous design\/template from which we were able to work our very own Studio Electronics Eurorack filter enchantments—we do like to hit our SEM a bit harder though ;)\u003c\/p\u003e\u003cp\u003eTim Caswell on the easy bonking: \"Right. This filter is a 'State Variable' circuit, which is an analog computer model of a pendulum. When the resonance is increased, the \"damping\" or stabilizing of the circuit is actually decreased. This makes the pendulum swing more wildly. If it is hit hard enough, it will swing all the way to one side and 'stick' there, what we call 'bonk out'. Greg likes the sounds that can be gotten as it goes into and out of 'bonk out', so, against my objections, we have not made the filter 'idiot proof' by limiting the input level and resonance amount. If you don't like it, limit your input level and\/or resonance amount. Otherwise, go wild! It won't hurt the circuit. TC\"\u003c\/p\u003e\u003cp\u003eMarc St. Regis on fear and flammability: \"Fear not, your SEM is not broken; it does not lie bleeding and battered; distortion is not flammable; you can and will—must—survive this \"strange design decision\" and all will be right with your 12dB filtered world, biscuits and all. More sound creation possibilities = more better design realities ;) MSR\"\u003c\/p\u003e\u003ch3\u003ePotentiometer Potential\u003c\/h3\u003e\u003cp\u003eThree attenuverter and four attenuation pots control the FREQUENCY, RESONANCE, FREQ CV 1, RESO CV, LP HP, INPUT and OUTPUT, delivering smooth, detailed, and complex expression.\u003c\/p\u003e\u003ch3\u003eSwitch it Up\u003c\/h3\u003e\u003cp\u003eFULL and HALF strength filter frequency keyboard\/voltage tracking, and BP \/ LP-HP modes.\u003c\/p\u003e\u003ch3\u003ePatch it Up\u003c\/h3\u003e\u003cp\u003eSeven patch points: 1 V\/O, FREQ CV 1, FREQ CV 2, RESO CV, INPUT, BP LP-HP, and OUTPUT direct the deepest manipulation.\u003c\/p\u003e\u003ch3\u003eAll Controls and Patch Points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFREQUENCY – Adjusts the frequency, or cut-off of the filter.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of the filter.\u003c\/li\u003e\n\u003cli\u003eFULL HALF TRACK – Switch between full and half keyboard\/voltage tracking.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input attenuverter.\u003c\/li\u003e\n\u003cli\u003eLP HP – Low Pass \/ High Pass attenuverter.\u003c\/li\u003e\n\u003cli\u003eINPUT – Adjusts the audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Adjusts the audio output.\u003c\/li\u003e\n\u003cli\u003e1 V\/O – One volt per octave control voltage input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input.\u003c\/li\u003e\n\u003cli\u003eBP OUT – Band Pass Output. No cable patched, BP passes through the mains.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eINPUT – Audio input.\u003c\/li\u003e\n\u003cli\u003eBP LP-HP – Switch between Band Pass and Low Pass - High Pass modes.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Audio output.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePower Usage - 32mA (+12 \/ -12)\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449888206951,"sku":"56790","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-sem-1_94fb1142-1cf8-4940-a70d-13b382a86256.jpg?v=1787090824"},{"product_id":"studio-electronics-se88","title":"Studio Electronics SE88","description":"\u003cp\u003eThe \u003cstrong\u003eStudio Electronics SE88\u003c\/strong\u003e is their version of the boxy, Blade Runner-sweet and Boomstar-brash dual mode CS80 filter, initially married to the Omega Series Synths, and then tucked-in the 'Stars, now joins the Modstar Collective. They twisted and turned the SE88 to unflatten the earth, so to speak; the original CS80 fed a HP filter into a LP filter, but with the SE88 your can select MODE 1's HP or BR to feed MODE 2's LP or BP, or patch it to reverse that pleasant path. The audio signal is completely controllable with input and output levels for each filter. Cherish and respect your filter's input gain stages, for a smooth yet often brassy sound—shed your mercy to strike hard for boiling, snarling bite, even to the blackout\/cutout point (see Greg St. Regis, Tim Caswell, and Marc St. Regis' SEM filter commentary for a detailed diatribe on this \"feature too far\"); then and only then, uniquely blend mode settings for the filter family values you revere.\u003c\/p\u003e\u003cp\u003eTo get things merrily modulating, each filter employs attenuverters for frequency and resonance experimentation and decimation. While the SE88 does not self oscillate (Yamaha's creation didn't either), the resonance level was amped up for full-throttle squelching. An additional master FM (frequency modulation) attenuverter-controlled level can feed both filters (when hungry enough) simultaneously, and tracking switches allow for individual keyboard response for each of the contrasting and complimentary filter modes.\u003c\/p\u003e\u003cp\u003eSpeaking of responses, the Boomstar SE80 - Dual Resonant Powerhouse, features the same core filter architecture, and is our current SoundCloud play king of the hill: soundcloud.com\/studio-electronics\/sets\/the-se80s.\u003c\/p\u003e\u003ch3\u003ePotentiometer Potential\u003c\/h3\u003e\u003cp\u003eFive attenuverter and eight attenuation pots control the FREQUENCY MODE 1, FM IN, FREQUENCY MODE 2, RESONANCE, M1 FM, RESONANCE, M1 RES CV 1, M2 RES CV, INPUT, M2 FM, OUTPUT, LEVEL (M1 OUT), and LEVEL (M2 OUT).\u003c\/p\u003e\u003ch3\u003eSwitch it Up\u003c\/h3\u003e\u003cp\u003e2\/3 - 1\/3 TRACK (M1), FULL - HALF TRACK (M2), HP - BR, LP - BP.\u003c\/p\u003e\u003ch3\u003ePatch it Up\u003c\/h3\u003e\u003cp\u003eTen patch points: 1 V\/O, FM IN, M1 FM, M2 FM, M1 RES CV, M2 RES CV, M1 IN, M1 OUT,M2 IN, M2 OUT.\u003c\/p\u003e\u003ch3\u003eAll Controls and Patch Points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFREQUENCY MODE 1 – Adjusts the frequency, or cutoff of Mode 1.\u003c\/li\u003e\n\u003cli\u003e2\/3 - 1\/3 TRACK - Toggles tracking options for Mode 1.\u003c\/li\u003e\n\u003cli\u003eFM IN - Adjusts the master frequency modulation input.\u003c\/li\u003e\n\u003cli\u003eFULL - HALF TRACK - Toggles tracking options for Mode 2.\u003c\/li\u003e\n\u003cli\u003eFREQUENCY MODE 2 - Adjusts the frequency, or cutoff of Mode 2.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of Mode 1's filter.\u003c\/li\u003e\n\u003cli\u003eM1 FM - Adjusts Mode 1's frequency modulation.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of the Mode 2's filter.\u003c\/li\u003e\n\u003cli\u003eHP \/ BR - Toggles the High-Pass and Band-Reject option.\u003c\/li\u003e\n\u003cli\u003eM1 RES CV – Adjusts Mode 1's resonance control voltage.\u003c\/li\u003e\n\u003cli\u003eM2 RES CV – Adjusts Mode 2's resonance control voltage.\u003c\/li\u003e\n\u003cli\u003eINPUT – Adjusts the master audio input.\u003c\/li\u003e\n\u003cli\u003eM2 FM – Adjusts Mode 2's frequency modulation.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Adjust the audio output.\u003c\/li\u003e\n\u003cli\u003e1 V\/O – One volt per octave control voltage input.\u003c\/li\u003e\n\u003cli\u003eFM IN – Master frequency modulation input.\u003c\/li\u003e\n\u003cli\u003eM1 FM – Mode 1 frequency modulation input.\u003c\/li\u003e\n\u003cli\u003eM2 FM – Mode 2 frequency modulation input.\u003c\/li\u003e\n\u003cli\u003eM1 RES CV – Mode 1 resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eM2 RES CV – Mode 2 resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eM1 IN – Mode 1 input.\u003c\/li\u003e\n\u003cli\u003eLEVEL – Level control for Mode 1.\u003c\/li\u003e\n\u003cli\u003eM1 OUT – Mode 1 output.\u003c\/li\u003e\n\u003cli\u003eM2 IN – Mode 2 input.\u003c\/li\u003e\n\u003cli\u003eLEVEL – Level control for Mode 2.\u003c\/li\u003e\n\u003cli\u003eM2 OUT – Mode 2 output.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449888239719,"sku":"56789","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-se88-1_83ed075b-9866-4f6f-9627-ee1ac75b615b.jpg?v=1787090824"},{"product_id":"studio-electronics-model-d-toned-voltage-controlled-filter","title":"Studio Electronics Model 5089","description":"\u003cp\u003eThe \u003cstrong\u003eStudio Electronics 5089\u003c\/strong\u003e filter is a voltage controlled, discrete analog, 24 db\/oct transistor ladder, low-pass filter, employing hand-matched transistors. The ladder low-pass filter—a subtractive analog sound synthesis foundation—in its lowest FREQUENCY setting removes, or cuts off higher frequency harmonics; its RESONANCE or Q circuit emphasizes those harmonics to the point of “squealy,” giddy self-oscillation, tracking the keyboard in its FULL setting quite nicely if seeking an alternative sine wave.\u003c\/p\u003e\u003cp\u003eThe 5089 has the roundest, slickest tone of all the Boomstar's filters. Go easy on it, and round, creamy buttery flavors wrap the oscillators in earthy warmth; smash it and a meaty, satisfying overdrive—a maximum harvest of vintage 1960s and 1970s organic sounding, second order harmonic distortion fill the plate. Every setting is balanced and bountiful. Looking for traditional R ’n B baselines and leads? Focus here on the rich saturation of this benchmark filter and its symmetrical cascades of generation-stretching timbres. All Boomstar Modular filters are hand-built in the U. S. Pick-and-Place all the way.\u003c\/p\u003e\u003ch3\u003ePotentiometer Potential\u003c\/h3\u003e\u003cp\u003eThree attenuverter and four attenuation pots control the FREQUENCY, RESONANCE, FREQ CV 1, RESO CV, FREQ CV 2, INPUT and OUTPUT, delivering smooth, detailed, and complex expression.\u003c\/p\u003e\u003ch3\u003eSwitch it Up\u003c\/h3\u003e\u003cp\u003eClassic Minimoog FULL and HALF strength filter frequency keyboard\/voltage tracking for rounder low end with brilliant highs.\u003c\/p\u003e\u003ch3\u003ePatch it Up\u003c\/h3\u003e\u003cp\u003eSeven patch points: 1 V\/O, FREQ CV 1, FREQ CV 2, RESO CV, INPUT and 2x OUTPUT direct the deepest manipulation.\u003c\/p\u003e\u003ch3\u003eAll Controls and Patch Points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFREQUENCY – Adjusts the frequency, or cut-off of the filter.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of the filter. *\u003c\/li\u003e\n\u003cli\u003eFULL HALF TRACK – Switch between full and half keyboard\/voltage tracking.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input attenuverter.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eINPUT – Adjusts the audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Adjusts the audio output.\u003c\/li\u003e\n\u003cli\u003e1 V\/O – One volt per octave control voltage input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eINPUT – Audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT x2 – Audio outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePower Usage - 40mA, 27mA (+12 \/ -12)\u003c\/p\u003e\u003cp\u003e-From 7:00 (0) to 9:00 “Negative Resonance Saturation” adds beefiness, boosting the waveform amplitude and taming waveform transients; set to 9:00 to achieve the cleanest tone possible.\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449888567399,"sku":"56778","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-5089-1_2689a99c-8748-4c10-ab88-2ab739429c33.jpg?v=1787090825"},{"product_id":"studio-electronics-arp-toned-voltage-controlled-filter","title":"Studio Electronics 4075 Filter","description":"\u003cp\u003eThe \u003cstrong\u003eStudio Electronics 4075\u003c\/strong\u003e filter is a discrete, voltage controlled, 24\/db\/oct cascaded transconductance low-pass filter, employing six pairs of hand-matched transistors. In its lowest FREQUENCY setting, it shaves off higher frequency harmonics; its RESONANCE or “Q” circuit pushes those harmonics past the self-oscillation boiling point, projecting a thumpy, thrashing squeal, with explosive low to mid-range power and depth. The design is actually pulled from the four-pole ARP 4072 (better: more parts and trims), sans the 12kHz design flaw which hamstrung the original’s high end. The 4075 name has stuck—no sense correcting the little misnomer misstep now.\u003c\/p\u003e\u003cp\u003eThe 4075 filter is the most requested of the Boomstar filter models, perhaps owing to its uniqueness. Has there ever been a better match for a square wave? It weaves dreams with “glidey,” 70s basslines, is a natural in the lead department, and feels as if a temper tantrum simmers a mere micron beneath its veneer of faux respectability. Aggressive and articulate, this fresh ARP can snap punishing kick drum sounds out as well as color with bright, edgy, stringy tones for essential arpeggiations.\u003c\/p\u003e\u003ch3\u003ePotentiometer Potential\u003c\/h3\u003e\u003cp\u003eThree attenuverter and four attenuation pots control the FREQUENCY, RESONANCE, FREQ CV 1, RESO CV, FREQ CV 2, INPUT and OUTPUT, delivering smooth, detailed and complex expression.\u003c\/p\u003e\u003ch3\u003eSwitch it Up\u003c\/h3\u003e\u003cp\u003eClassic Minimoog FULL and HALF strength filter frequency keyboard\/voltage tracking for rounder low end with brilliant highs.\u003c\/p\u003e\u003ch3\u003ePatch it Up\u003c\/h3\u003e\u003cp\u003eSeven patch points: 1 V\/O, FREQ CV 1, FREQ CV 2, RESO CV, INPUT and 2x OUTPUT direct the deepest manipulation.\u003c\/p\u003e\u003ch3\u003eAll Controls and Patch Points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFREQUENCY – Adjusts the frequency, or cut-off of the filter.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of the filter. *\u003c\/li\u003e\n\u003cli\u003eFULL HALF TRACK – Switch between full and half keyboard\/voltage tracking.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input attenuverter.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eINPUT – Adjusts the audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Adjusts the audio output.\u003c\/li\u003e\n\u003cli\u003e1 V\/O – One volt per octave control voltage input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eINPUT – Audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT x2 – Audio outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePower Usage - 27mA, 34mA (+12 \/ -12)\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44449888731239,"sku":"56777","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-4075-1_4995fc36-1364-4ad8-9c5d-5b8c70f0f453.jpg?v=1787090826"},{"product_id":"mutable-instruments-rings","title":"Mutable Instruments Rings","description":"\u003cp\u003eThe \u003cstrong\u003eMutable Instruments Rings\u003c\/strong\u003e brings physical modeling synthesis to your Eurorack system, from a more modular angle than Braids’ models or Elements. Instead of trying to be a complete instrument, Rings focuses on the key ingredient, the resonator, ready to be excited by envelope clicks, trigger pulses, granular noise or any other audio source produced by the rest of your system.\u003c\/p\u003e  \u003cp\u003eThree families of vibrating structures are simulated by the module, with CV control over their parameters:\u003c\/p\u003e  \u003cul\u003e \u003cli\u003eStrings, membranes and tubes as modeled by Elements’ resonator section (modal synthesis).\u003c\/li\u003e \u003cli\u003eStrings coupled together and vibrating in sympathy, with controllable intervals between them.\u003c\/li\u003e \u003cli\u003eStrings with a variable amount of inharmonicity.\u003c\/li\u003e \u003c\/ul\u003e   \u003cp\u003eRings can be configured so that each new note is played on its own virtual string, while the previously played note(s) still decay(s). This unique take on polyphony allows the module to play strummed chords.\u003c\/p\u003e     \u003ch3\u003eControls\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eNumber of strings\/structures (1, 2 or 4).\u003c\/li\u003e \u003cli\u003eSynthesis model (modal, sympathetic strings, string).\u003c\/li\u003e \u003cli\u003eMain frequency (quantized in semitones).\u003c\/li\u003e \u003cli\u003eStructure. With the modal and waveguide models, controls the inharmonicity of the spectrum (which directly impacts the perceived “material”). With the sympathetic strings model, controls the intervals between strings.\u003c\/li\u003e \u003cli\u003eBrightness. Specifies the brightness and richness of the spectrum.\u003c\/li\u003e \u003cli\u003eDamping. Controls the damping rate of the sound, from 100ms to 10s.\u003c\/li\u003e \u003cli\u003ePosition. Specifies at which point the structure is excited.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eInputs and outputs\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eFrequency, structure, brightness, damping and position modulation CV inputs with attenuverter (-8V to +8V).\u003c\/li\u003e \u003cli\u003e“Strum” trigger input to indicate when a new polyphony voice needs to be allocated. Normalized to an edge detector detecting changes on the main V\/Oct input, or sharp transients on the audio input. Detection threshold at 0.6V.\u003c\/li\u003e \u003cli\u003e1 V\/Oct frequency input (-1V to +5V).\u003c\/li\u003e \u003cli\u003eResonator audio input, normalized to a filtered pulse\/noise burst triggered by the “Strum” input. Modular level, up to 16Vpp.\u003c\/li\u003e \u003cli\u003eTwo audio outputs, splitting the signal into even\/odd partials in monophonic operation, or even\/odd notes in polyphonic operation.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eTechnical characteristics\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eInput impedances: 100k.\u003c\/li\u003e \u003cli\u003eAD\/DA: 16-bit, 48kHz.\u003c\/li\u003e \u003cli\u003eInternal processing: 32-bit floating point.\u003c\/li\u003e \u003cli\u003eOpen-source hardware and firmware.\u003c\/li\u003e \u003cli\u003eEasy firmware updates through an audio interface.\u003c\/li\u003e \u003cli\u003eCortex-M4 ARM processor.\u003c\/li\u003e \u003cli\u003e14-HP.\u003c\/li\u003e \u003cli\u003eCurrent consumption: +12V: 110mA ; -12V: 5mA.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mutable Instruments","offers":[{"title":"Default Title","offer_id":44449896235111,"sku":"57017","price":359.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/mutable-instruments-rings_57017_1_1d493a1c-f1bc-4bdb-aec6-8544f6aeadcd.jpg?v=1787090857"},{"product_id":"dreadbox-lamda-eurorack-module","title":"Dreadbox Lamda","description":"\u003cp\u003eThe \u003cstrong\u003eDreadbox Lamda\u003c\/strong\u003e is an 8-pole, 48dB state variable filter with dual resonance frequencies.\u003c\/p\u003e  \u003ch3\u003eFilter types:\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003e2pole Low Pass (single resonance frequency)\u003c\/li\u003e \u003cli\u003e4pole High Pass (single resonance frequency)\u003c\/li\u003e \u003cli\u003e8pole Low Pass\u003c\/li\u003e \u003cli\u003e8pole High Pass\u003c\/li\u003e \u003cli\u003e8pole Band Pass\u003c\/li\u003e \u003cli\u003e8pole Notch\u003c\/li\u003e \u003cli\u003eOTA VCA\u003c\/li\u003e \u003cli\u003eOTA Drive Circuit\u003c\/li\u003e \u003cli\u003eFilter can be pre-driven with high input levels\u003c\/li\u003e \u003c\/ul\u003e","brand":"Dreadbox","offers":[{"title":"Default Title","offer_id":44449902002279,"sku":"57209","price":429.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/dreadbox-lamda_57209_1_180eb96e-d552-42c8-bb64-88169032d0a7.jpg?v=1787090881"},{"product_id":"wmdevices-aperture","title":"WMDevices Aperture","description":"\u003cp\u003eThe \u003cstrong\u003eWMDevices Aperture\u003c\/strong\u003e is a variable-width bandpass filter with fast and tactile controls.  It is capable of simple filtering, self oscillation FM timbres, nasty acidic squelches, and capturing images of UFOs descending from the heavens on a cold winter’s night.  The concept is a bandpass that ranges from transparent to gnarly, with precision controls that behave under stress, all while being joyful to wreak havoc with.\u003c\/p\u003e  \u003ch3\u003eControls\u003c\/h3\u003e  \u003cp\u003e*LEDs along the top indicate width and position of the filter\u003c\/p\u003e  \u003cul\u003e \u003cli\u003eFrequency: Controls the center frequency of the band\u003c\/li\u003e \u003cli\u003eWidth: Controls the width of the band.\u003c\/li\u003e \u003cli\u003eFreq CV: Attenuverter for the CV input for precise control over the Frequency of the filter.\u003c\/li\u003e \u003cli\u003eHP Res: Controls the amount of resonance on the High Pass side of the filter.\u003c\/li\u003e \u003cli\u003eLP Res: Controls the amount of resonance on the\u003c\/li\u003e \u003cli\u003eLow Pass side of the filter.\u003c\/li\u003e \u003cli\u003eInput Level: Attenuates the input level. Unity at 12 o'clock, total gain of 6 dB\u003c\/li\u003e \u003cli\u003eFeedback: Controls the amount of feedback for  more self oscillation and squelchy behavior.\u003c\/li\u003e \u003cli\u003eDry\/Wet Mix: You know what this means\u003c\/li\u003e \u003cli\u003eWidth CV: Attenuverter for CV control over the width of the filter.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eJacks\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003e1V\/ Oct: The aperture’s cutoff frequency will track at 1V\/oct. This is the input for that.\u003c\/li\u003e \u003cli\u003eIn LVL: Input for CV control over the input level attenuation.\u003c\/li\u003e \u003cli\u003eFreq: CV input for control over the cuttoff frequency.\u003c\/li\u003e \u003cli\u003eWidth: CV input for control over the width of the band.\u003c\/li\u003e \u003cli\u003eFDBK: CV input for control over the feedback amount.\u003c\/li\u003e \u003cli\u003eInput: This is where your audio signal you want to filter goes.\u003c\/li\u003e \u003cli\u003eOutput: This is where the filtered audio signal comes out.\u003c\/li\u003e \u003cli\u003eHPCV: CV input for independent control over the cutoff frequency on the high pass side of the filter.\u003c\/li\u003e \u003cli\u003eLPCV: CV input for independent control over the cutoff frequency on the low pass side of the filter.\u003c\/li\u003e \u003cli\u003eHP Res: CV input for control over the resonance on the high pass side of the filter.\u003c\/li\u003e \u003cli\u003eLP Res: CV input for control over the resonance on the low pass side of the filter.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eSpecifications:\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eCurrent: +12 V = 120 mA, -12 V = 100 mA\u003c\/li\u003e \u003cli\u003eDepth: 25mm including power\u003c\/li\u003e \u003cli\u003eWidth: 12 HP\u003c\/li\u003e \u003cli\u003eHeight: 3U Eurorack\u003c\/li\u003e \u003cli\u003eInput Gain: -90 dB to +6 dB\u003c\/li\u003e \u003cli\u003eNominal Input: 10V pp\u003c\/li\u003e \u003cli\u003eHPF Cutoff Freq Range: 0.5 Hz to 50 kHz\u003c\/li\u003e \u003cli\u003eLPF Cutoff Freq Range: 0.1 Hz to 25 kHz\u003c\/li\u003e \u003cli\u003ePoles: 8\u003c\/li\u003e \u003c\/ul\u003e","brand":"WMD","offers":[{"title":"Default Title","offer_id":44449942437991,"sku":"58323","price":349.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/wmd-digital-aperture22_58323_1_a70401c5-8dbe-491f-8d68-76e59bdc8d4d.jpg?v=1787091034"},{"product_id":"wmdevices-micro-hadron-collider","title":"WMDevices Micro Hadron Collider","description":"\u003cp\u003eThe \u003cstrong\u003eWMDevices Micro Hadron Collider\u003c\/strong\u003e is a dual VCF scientifically smashes two electron waves into oblivion at the speed of light, producing an audio frequency Higgs-Boson particle beam of harmonious analog physics equilibrium. Well...not really, but it does some other cool stuff.\u003c\/p\u003e  \u003cp\u003eIn reality, the uHC is a very powerful dual VCF with an integrated mixer to pit the two sides against each other producing complex waveshapes and artfully sculpted timbres. The uHC incorporates versatile audio signal flow with intuitive CV control and normaling, creating a powerful filter without the need for complex patching.\u003c\/p\u003e  \u003cp\u003e The uHC is a dual state-variable VCF with all CV inputs of the first filter normaled to filter 2. The uHC can be used as a 4 pole filter, two independent 2 pole filters, or some combination in between. A voltage controlled mixer blends the two ouputs, providing another dimension of waveshaping. Filter 2 can use one of the following as its input: the output of Filter 1 (series), the input of Filter 1 (parallel) or it's own input (split). Voltage control of Frequency and Resonance is provided for each filter section. Signal paths for audio and CV are shown with arrows to speed up patching.\u003c\/p\u003e  \u003ch3\u003eSignal Flow\u003c\/h3\u003e  \u003cp\u003eKnobs at the top control the offset of the frequency, resonance or mix. CV In jacks at the bottom with attenuators control their respective parameters. The CV inputs from Filter 1 are normaled to Filter 2. So plugging in a cable to Freq 1 will send the same signal to the Freq 2 jack, where it can be used or dialed out by attenuating fully CCW. This allows you to use one signal but control both filters equally, offset, or completely separately.\u003c\/p\u003e  \u003cp\u003eThe 1V\/Oct input is calibrated to produce exactly one octave of change per volt of input. Using the switch on the Filter 2 side will route the 1V\/Oct signal to Filter 2, controlling both simultaneously.\u003c\/p\u003e  \u003cp\u003eFor additional CV controls, a CV Expansion module (5HP) may be attached to the uHC with it's own 14 pin cable. The CV Expansion provides additional Frequency, Resonance, and Mix inputs with attenuators. It also provides linear frequency input for each channel. The jacks are normaled here as well, so you can control both filters with one cable.\u003c\/p\u003e  \u003ch3\u003eFilter Modes\u003c\/h3\u003e  \u003cp\u003eThe uHC is a multimode filter and outputs Low Pass, Band Pass and High Pass filter responses. Additionally Filter 2 has a notch output for elliptic filter responses. The switch just inside each output jack selects the filter mode. If multiple modes are required simultaneously, the Audio Expansion module provides dedicated outputs and a Notch output for Filter 1.\u003c\/p\u003e  \u003cp\u003eUsing series mode and low pass or high pass on Filter 1, the notch output on Filter 2 creates an elliptic response. This leads to sharper cutoff frequency, but with a bounce back at around -40dB. Set the two Freq knobs to ear for the elliptic response. For low-pass elliptic, the 2nd filter will have a slightly higher cut-off frequency than Filter 1. Lower resonances on the 2nd filter tend to produce better results (as the notch will be wider).\u003c\/p\u003e  \u003ch3\u003eThe Mixer\u003c\/h3\u003e  \u003cp\u003eWhat sets the uHC apart from most other VCFs is the integrated voltage controlled mixer. The mixing circuit takes each output and smashes them together creating all different kinds of sounds without loads of extra patching. It can be used to create different and new filter modes -- Wide Notch, Dual Bandpass, etc. Also, for blending separate sounds together using both filters split. Additionally, the mixer can be used without CV to blend just a little bit of high frequency punch with your fatty dub bass sound. The possibilities are endless.\u003c\/p\u003e  \u003cp\u003eThe Mix CV input accepts DC to audio rate signals (and super-sonic) allowing for cool frequency modulation of the mixing signals. Use Square wave with variable duty cycle to make some very interesting wave shapes!\u003c\/p\u003e  \u003cp\u003eFilter 2's input to the Mixer has a phase switch to invert the signal, providing more control over the mix output.\u003c\/p\u003e","brand":"WMD","offers":[{"title":"Default Title","offer_id":44449942798439,"sku":"58334","price":339.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/wmd-micro-hadron-collider-1_eb17e6a8-92ba-42f8-8cb6-c5b8e08b0865.jpg?v=1787091035"},{"product_id":"wmdevices-quad-anti-aliasing-filter","title":"WMDevices Quad Anti-Aliasing Filter","description":"\u003cp\u003eThe \u003cstrong\u003eWMDevices Quad Anti-Aliasing Filter\u003c\/strong\u003e (QAAF) was conceptualized as the first expansion for the Phase Displacement Oscillator.\u003c\/p\u003e  \u003cp\u003eIt is designed to eliminate aliasing and stair-step distortion from the Digital to Analog converters. WMD opted to make this a separate module because it is useful by itself as well as coupled with the PDO.\u003c\/p\u003e  \u003ch3\u003eControls and I\/O\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eCV Input - This input is roughly calibrated to 1 v\/octave. It drives a vactrol that will cause the QAAF to open quickly and close slowly.\u003c\/li\u003e \u003cli\u003eFreq Knob - This knob controls the cutoff directly or acts as a bias\/level shift control for the CV input.\u003c\/li\u003e \u003cli\u003eCLK - This jack serves as a clock input or output, directly controlling the filter's frequencies at a ratio of 100:1. A jumper on the back (lower jumper) selects it's mode. Jump for clock output, leave open for clock input.\u003c\/li\u003e \u003cli\u003eInputs 1-4 - Audio Inputs, these are normaled from the expansion header going to the PDO. This normal is broken by plugging into these jacks.\u003c\/li\u003e \u003cli\u003eOutputs 1-4 - These jacks are for each channel's outut.\u003c\/li\u003e \u003cli\u003eMix - This output is a sum of each channel's filtered input.\u003c\/li\u003e \u003cli\u003eFrequency Limit Jumper - This rear jumper (upper set of pins) will limit the low frequency cutoff to about 300 Hz. This will stop the QAAF from producing aliasing noise itself as it's clock frequency will be limited to 30 kHz. Jump for limiting, leave open to disable.\u003c\/li\u003e \u003c\/ul\u003e","brand":"WMD","offers":[{"title":"Default Title","offer_id":44449943027815,"sku":"58340","price":229.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/wmd-digital-quad22_58340_1_ff81bbff-5f20-4130-91be-f86b2db1d7bc.jpg?v=1787091037"},{"product_id":"wmdevices-synchrodyne-expand","title":"WMDevices Synchrodyne Expand","description":"\u003cp\u003eThis is the \u003cstrong\u003eWMDevices Synchrodyne Expand\u003c\/strong\u003e. WMD figured that if you can grasp the original, you're the type that always wants to go deeper. So lets take this plunge together and attempt to explain what it all means.\u003c\/p\u003e  \u003ch3\u003eSynchrodyne Expand Concept\u003c\/h3\u003e  \u003cp\u003eThe Synchrodyne by itself is capable of a great deal, containing several modules in one, prepatched internally to create a vibrant range of sounds. It was difficult to cut many of the control capabilities from the Synchrodyne to keep it within the scope of an analog switched-capacitor filter module. The expand lets us bring many of the little nuances of the Synchrodyne to the patchable world.\u003c\/p\u003e  \u003cp\u003eIt is designed to be powerful and extremely dynamic when minimally patched, but when patch cords start flying around to be open and experimental. You may also use many of the parts of the Synchrodyne and Expand separately in various parts of your patches. The open architecture allows it to do many jobs, even small ones.\u003c\/p\u003e  \u003ch3\u003eVCO2 \/ PLL2\u003c\/h3\u003e  \u003cp\u003eVCO2 contains an identical saw core oscillator as on the Synchrodyne. The peripherals are slightly different, emphasizing different control points. The PLL frequency multiplier is similar to that on the Synchrodyne with many additional patch points.\u003c\/p\u003e  \u003cul\u003e \u003cli\u003e1 V\/Oct Input - Calibrated input for pitch control. The VCO will track at least 5 octaves using this input. This may be calibrated by the front mounted trim pot between the Coarse and Fine knobs.\u003c\/li\u003e \u003cli\u003ePWM Input \u0026amp; Knob - CV control over the PWM (Pulse Width Modulation) of VCO2. Very powerful for controlling the Filter Core when both VCOs are combined. Control knob provides static PWM amount. It is added to CV signal when CV is applied.\u003c\/li\u003e \u003cli\u003eSync Input - Rising edge sawtooth reset\/sync input. Does not affect slope of sawtooth.\u003c\/li\u003e \u003cli\u003eCoarse \u0026amp; Fine Knobs - Coarse knob adjust the frequency of the VCO throughout its full range. Use the Fine knob to tune the oscillator within approximately 1\/3 octave range.\u003c\/li\u003e \u003cli\u003eExp FM - This input jack provides 1\/3 V\/octave exponential control to the VCO core.\u003c\/li\u003e \u003cli\u003eLin FM - This input provides linear frequency control to the VCO core. It is DC coupled.\u003c\/li\u003e \u003cli\u003eSaw Output - The Sawtooth output is available here. Its level is approximately ±4.5 volts.\u003c\/li\u003e \u003cli\u003ePWM Output - Presents the output of the PWM modulated waveform.\u003c\/li\u003e \u003cli\u003ePLL Input - This input runs into PLL2, it is normaled from the PWM output of the VCO. Use an external VCO to control the PLL by patching here.\u003c\/li\u003e \u003cli\u003ePLL Output - Square wave raw output of the PLL frequency multiplier. This output is in a feedback loop with the VCO2 Multiply control to provide multiplication of the frequency.\u003c\/li\u003e \u003cli\u003ePLL Triangle Output - This output is a hacked triangle wave from the PLL core. It's not a perfect triangle but is close. It's great for softer sounds in the audio range.\u003c\/li\u003e \u003cli\u003ePC OR IN - This input is logical ORed to the phase comparator on the PLL. Applying a clock or gate signal can produce frequency variance, destabilization or total melt down. Very experimental input.\u003c\/li\u003e \u003cli\u003eTrack Speed Control \u0026amp; CV Input - Track speed is part of the PLL Cores self-stabilization of the phase locked loop. More track speed means that the PLL will attempt to track the frequency more accurately and stabilize faster. Tracking too fast can cause total breakdown of the loop and result in some unstable and interesting timbres. LED shows the strength of the track speed.\u003c\/li\u003e \u003cli\u003eDamping Control \u0026amp; CV Input - Damping is the other half of the stabilization circuitry inside the PLL core. Higher damping means that frequency control circuit will resist change more. Use this to tame high Track Speeds. CV input allows for external control of the Damping. LED shows the strength of the Damping circuit.\u003c\/li\u003e \u003cli\u003ePC Out - This is the Phase Comparator's direct output. It is a tri-state output (0V, 5V or high-impedance\/floating). This is normaled to the Track\/Damp circuitry to provide the control signal for the PLL's frequency output. This output is intended to be run through a slew limiter and back into the PLL Ctrl or T\/D In. Though other uses may be found.\u003c\/li\u003e \u003cli\u003eT\/D Input - This is a direct input to the Tracking Damping circuitry. It normally expects a tri-state signal but it can handle other things. Very experimental input.\u003c\/li\u003e \u003cli\u003ePLL Ctrl Input - This input is the direct line to the PLL frequency circuit. Plugging voltages in to this will cause direct control over the PLL and many of the prior circuits will be ignored including Track\/Damp and Multiply. Very experimental and useful for further processing of the Phase Comparator signal.\u003c\/li\u003e \u003cli\u003ePLL DeSync Input - This input is a DC couple short circuit to the PLL. A signal higher than 1V here will kill the PLL requiring it to resynchronize with itself.\u003c\/li\u003e \u003cli\u003ePLL2 Range Switch - This switch changes the maximum range of the PLL by changing the PLL's frequency generation capacitor. Hi provides the full range. Medium and Low provide a much smaller range, limited to audio frequencies. Medium and Low also cause the PLL Triangle Output to sound different.\u003c\/li\u003e \u003cli\u003ePWM\/PLL Switch - This switch determines whether the PWM signal or the PLL signal go to the VCO2 section of the clock select switch.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eFilter Clock Control\u003c\/h3\u003e  \u003cp\u003eThis box in the top left of the Synchrodyne Expand controls the filter clock on the Synchrodyne. There are three possible clock sources for the filter core.\u003c\/p\u003e  \u003cul\u003e \u003cli\u003eClock Control Switch - This toggle on the far right of the box selects which clock source runs the filter core. Top position lets PLL1 on the Synchrodyne control the clock. Bottom position lets PLL2\/VCO2 control the clock. Middle position combines the clocks and lets them fight each other.\u003c\/li\u003e \u003cli\u003eOR \/ XOR Switch - This toggle switch controls how multiple clock signals are combined. XOR mode combines the clocks in a fairly additive manner. OR mode is more aggressive and gives each clock signal more power to disrupt the other signal.\u003c\/li\u003e \u003cli\u003eClk3 Input - This jack provides an additional input to the Filter core. It is combined in the mode chosen by the OR \/ XOR switch.\u003c\/li\u003e \u003cli\u003eLED - Shows the clock status directly. Much of the time this will be too fast to see.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003ePLL1 CV Inputs\u003c\/h3\u003e  \u003cp\u003eThis small box contains inputs for Track Speed And Damping for the PLL in the Synchrodyne.\u003c\/p\u003e  \u003cul\u003e \u003cli\u003eDamping CV - This input gives CV control to Damping on PLL1. To achieve full damping (fully CW rotation of the knob on PLL1), the Damping Knob on PLL1 must be fully Clockwise. This is because the CV control and knob are in series with each other. This jack is normaled to +5 volts so that it is always at a high damping, allowing the knob OR the CV control to have an effect whether CV is used or not.\u003c\/li\u003e \u003cli\u003eTrack Speed CV - This input provides CV control over Track Speed on PLL1. This CV signal is in parallel with the Track Speed knob on the Synchrodyne. Therefore, minimum track speed is achieved with the knob fully CCW and 0V on the CV input. Maximum track speed may be achieved by the knob OR the CV input being CW or shown 5 volts respectively.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003ePre Filter Compressor\u003c\/h3\u003e  \u003cp\u003eThe Synchrodyne's filter core can produce very dynamic material with high resonance, especially in 4 pole mode. So we added a pre filter compressor to reduce distortion inside the core. The concept here is a feedback compressor that reduces the signal level going into the core based on the level on the core's output. This is a vactrol based compressor.\u003c\/p\u003e  \u003cp\u003eThe signal seen by the compressor is a mix of the VCA\/Fold switch and In2.\u003c\/p\u003e  \u003cul\u003e \u003cli\u003eCtrl Switch - This switch determines where the compression circuit looks for waveform information. Comp SC looks at the Comp SC In jack. 2P looks at the selected 2 Pole output from the Synchrodyne's panel, and 4P looks at the selected 4 Pole output.\u003c\/li\u003e \u003cli\u003eComp SC In - This input normally sees the signal from the Compressor's output. This lets you compress the signal flowing to the filter core based on another signal. If nothing is plugged in, you have normal compression based on the level of the input signal.\u003c\/li\u003e \u003cli\u003eCompression - This controls the overall amount of compression done to the input waveform. Fully CCW will be no compression. Fully CW will be close to limiting. Amount of compression is indicated on the blue LED.\u003c\/li\u003e \u003cli\u003eBlue Threshold Trim Pot - This trim pot between Ctrl and Comp Attack allows you to change the threshold of compression. Turn up for compression to come on sooner. This is similar to the Compression control and was not necessary to bring out as a full control.\u003c\/li\u003e \u003cli\u003eComp Attack - This sets the attack speed of the Compressor. It works with the Decay speed and has bearing on the overall amount of compression.\u003c\/li\u003e \u003cli\u003eComp Decay - This sets the decay speed of the Compressor. If it is too high and Comp Attack is not high enough, the compressor will not compress.\u003c\/li\u003e \u003cli\u003eComp Out - This output produces the compressed signal for use elsewhere. It is normaled to the Filter Input.\u003c\/li\u003e \u003cli\u003eComp CV Out - This is the CV control envelope signal as an output.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eFilter 2\u003c\/h3\u003e  \u003cp\u003eFilter 2 is a second switched capacitor filter. It is a 4-Pole Low Pass type with an interesting resonance circuit. It resonates 180 degrees out of phase with the input signal. It will happily self resonate and makes a good sine wave oscillator.\u003c\/p\u003e  \u003cul\u003e \u003cli\u003eClk In - This input provides the high-speed clock to Filter 2. It is normaled from the output of PLL2.\u003c\/li\u003e \u003cli\u003eIn - This is the signal input to the filter. It is normaled from the In 2 jack and attenuator.\u003c\/li\u003e \u003cli\u003eOut - 4-Pole Low Pass output of Filter 2.\u003c\/li\u003e \u003cli\u003eClip Out - Amplified diode rectified output signal from the feedback resonance stage of Filter 2.\u003c\/li\u003e \u003cli\u003eResonance Knob - This controls the amount of resonance. It will self oscillate and this controls the level of oscillation.\u003c\/li\u003e \u003c\/ul\u003e   \u003ch3\u003eOther Inputs \/ Outputs \/ Controls\u003c\/h3\u003e  \u003cul\u003e \u003cli\u003eFilter In - This input runs directly to the filter core. It bypasses everything on the front end: VCA, Wavefolder, Compressor, In 2.\u003c\/li\u003e \u003cli\u003eIn 2 to Comp - This jack and attenuator provide a second input to the compressor and then to the filter core. It is normaled from the Saw Output of VCO2.\u003c\/li\u003e \u003cli\u003eWF (Wavefolder) Level - This control replaces the blue trimmer on the back of the Synchrodyne giving you direct control over the amplification of the wavefolded signal.\u003c\/li\u003e \u003cli\u003eVCA Out - Direct out of the VCA on the Synchrodyne.\u003c\/li\u003e \u003cli\u003eWF Out - Direct out of the Wavefolder on the Synchrodyne.\u003c\/li\u003e \u003cli\u003e2P - 4P - Subtractive output where 4P output is subtracted from the 2P output. Produces a band-pass sort of sound. Nicer at lower resonances.\u003c\/li\u003e \u003cli\u003e2P Notch - This is the notch output from the 2-pole filter on the Synchrodyne. It is a true notch filter where resonance controls the width of the notch. Higher resonances yield narrower notches.\u003c\/li\u003e \u003cli\u003e4P Notch - This output is not a true notch output. The 2-pole output (HP\/BP\/LP) is filtered by the last 2 poles of the filter internally, and the notch from that is output here. It is more of an elliptic output than a true notch because of this.\u003c\/li\u003e \u003c\/ul\u003e","brand":"WMD","offers":[{"title":"Default Title","offer_id":44449943191655,"sku":"58345","price":419.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/wmd-digital-sync-exp22_58345_1_1df2ec77-128b-4ba8-99a4-bd37f5a8bafa.jpg?v=1787091037"},{"product_id":"wmdevices-and-steady-state-fate-multi-mode-filter","title":"WMDevices and Steady State Fate Multi-Mode-Filter","description":"\u003cp\u003e\u003cstrong\u003eWMDevices and Steady State Fate Multi-Mode-Filter\u003c\/strong\u003e is a 2 pole Multi-Mode Filter in 4 HP. It has simultaneous LowPass, BandPass and HighPass filter outputs.\u003c\/p\u003e  \u003cp\u003eMMF will self oscillate into a nice sine wave and track 1 V\/octave. The Resonance is voltage controllable.\u003c\/p\u003e  \u003cp\u003eThe PING input is for a gate or trigger, and generates a fast decay envelope with a nice sound, reminiscent of a vactrol filter, but without the vactrol. PING can normal to the FM jack, or go direct (switchable behind the panel).\u003c\/p\u003e  \u003cp\u003eThe FM input is connected to an attenuverter pot to give you control over the signal.\u003c\/p\u003e  \u003cp\u003ePower Draw: +62 mA, -24 mA. 4HP width. 25 mm depth.\u003c\/p\u003e","brand":"WMD \/ Steady State Fate","offers":[{"title":"Default Title","offer_id":44449943552103,"sku":"58361","price":169.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/wmd-ssf-mulit-mode-filter-1_542b9bf2-da19-468d-89ff-4691d54c30bf.jpg?v=1787091038"},{"product_id":"wmdevices-and-steady-state-fate-polezero-vcf","title":"WMDevices and Steady State Fate PoleZero VCF","description":"\u003cp\u003e\u003cstrong\u003eWMDevices and Steady State Fate PoleZero VCF\u003c\/strong\u003e is a 4-pole (24 dB\/octave) low pass Voltage Controlled Filter (VCF) utilizing MOSFET transistors. MOSFETs are known for their soft, vacuum tube like distortion when overdriven.\u003c\/p\u003e  \u003cp\u003ePOLE-ZERO is designed to exploit these characteristics with the addition of a MOSFET saturation control and provide a much wider palette of sounds when compared to a standard VCF.\u003c\/p\u003e  \u003cp\u003eA Voltage Controlled Amplier (VCA) is also a relatively novel addition and provides a simple way to amplitude modulate the filter without the need of an external VCA.\u003c\/p\u003e  \u003cp\u003ePower Draw: +20 mA, -20 mA. 6HP width. 25 mm depth.\u003c\/p\u003e","brand":"WMD \/ Steady State Fate","offers":[{"title":"Default Title","offer_id":44449943519335,"sku":"58353","price":169.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/wmd-ssf-pole-zero-1_679f0e55-f0f6-467c-ae7c-93740c98ed97.jpg?v=1787091038"},{"product_id":"analogue-solutions-telemark-filter","title":"Analogue Solutions Telemark Filter","description":"\u003cp\u003eThe \u003cstrong\u003eAnalogue Solutions Telemark\u003c\/strong\u003e multimode filter module is based on the filter of the legendary Telemark semi-modular synthesizer. Its roots lie in the original 1970s Oberheim SEM, though it has developed a character of its own.\u003c\/p\u003e  \u003cp\u003eThe filter is a 12 db\/Octave multimode type. Multimode means there are more than one type of filter output. There are in fact four: low pass, band pass, high pass and notch filter. Additionally, notch filter can be varied for an even wider range of sounds. Use of Gain and Q allow for even wider possibilities. No special knowledge is required to use this filter. Just plug your audio in the left, and your audio out on the right.\u003c\/p\u003e","brand":"Analogue Solutions","offers":[{"title":"Default Title","offer_id":44450032124007,"sku":"64069","price":299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/analogue-solutions-telemark-filter-module_64069_1_a4e3db59-d9e6-4013-97af-0075831d08a6.jpg?v=1787091404"},{"product_id":"analogue-solutions-defibrillator","title":"Analogue Solutions Defibrillator","description":"\u003cp\u003eThe \u003cstrong\u003eAnalogue Solutions Defibrillator\u003c\/strong\u003e is based on the legendary Korg MS20 filter, and the Analogue Solutions SY02 module. Each circuit is independent. They can easily be linked in series using the Link switches, or used separately in parallel for individually processing — or stereo filter effects. The Defibrillator comes with a Doepfer style power cable. Screws are not included.\u003c\/p\u003e  \u003cp\u003eThe Defibrillator is based on the legendary Korg MS20 filter, and the Analogue Solutions SY02 module. Each circuit is independent. They can easily be linked in series using the Link switches, or used separately in parallel for individually processing — or stereo filter effects. The Defibrillator comes with a Doepfer style power cable.\u003c\/p\u003e  \u003cp\u003eThe first filter has two inputs, In1 is level adjustable. Filter 1 can be switched between low-pass and high pass. Filter 2 is a low pass filter. If you couple this with the link-switch, the filters are connected in series producing a band-pass filter or a low pass 24 db filter.\u003c\/p\u003e  \u003cp\u003eAnother switch is linked to the output of the second filter, to the VCA. The volume is adjusted with the Level control. The VCA can be bypassed via a switch. 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In its lowest FREQUENCY setting, it shaves off higher frequency harmonics; its RESONANCE or “Q” circuit pushes those harmonics past the self-oscillation boiling point, projecting a thumpy, thrashing squeal, with explosive low to mid-range power and depth. The design is actually pulled from the four-pole ARP 4072 (better: more parts and trims), sans the 12kHz design flaw which hamstrung the original’s high end. The 4075 name has stuck—no sense correcting the little misnomer misstep now.\u003c\/p\u003e\u003cp\u003eThe 4075 filter is the most requested of the Boomstar filter models, perhaps owing to its uniqueness. Has there ever been a better match for a square wave? It weaves dreams with “glidey,” 70s basslines, is a natural in the lead department, and feels as if a temper tantrum simmers a mere micron beneath its veneer of faux respectability. Aggressive and articulate, this fresh ARP can snap punishing kick drum sounds out as well as color with bright, edgy, stringy tones for essential arpeggiations.\u003c\/p\u003e\u003ch3\u003ePotentiometer Potential\u003c\/h3\u003e\u003cp\u003eThree attenuverter and four attenuation pots control the FREQUENCY, RESONANCE, FREQ CV 1, RESO CV, FREQ CV 2, INPUT and OUTPUT, delivering smooth, detailed and complex expression.\u003c\/p\u003e\u003ch3\u003eSwitch it Up\u003c\/h3\u003e\u003cp\u003eClassic Minimoog FULL and HALF strength filter frequency keyboard\/voltage tracking for rounder low end with brilliant highs.\u003c\/p\u003e\u003ch3\u003ePatch it Up\u003c\/h3\u003e\u003cp\u003eSeven patch points: 1 V\/O, FREQ CV 1, FREQ CV 2, RESO CV, INPUT and 2x OUTPUT direct the deepest manipulation.\u003c\/p\u003e\u003ch3\u003eAll Controls and Patch Points\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFREQUENCY – Adjusts the frequency, or cut-off of the filter.\u003c\/li\u003e\n\u003cli\u003eRESONANCE – Adjusts the resonance of the filter. *\u003c\/li\u003e\n\u003cli\u003eFULL HALF TRACK – Switch between full and half keyboard\/voltage tracking.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input attenuverter.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input attenuverter.\u003c\/li\u003e\n\u003cli\u003eINPUT – Adjusts the audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT – Adjusts the audio output.\u003c\/li\u003e\n\u003cli\u003e1 V\/O – One volt per octave control voltage input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 1 – Frequency control voltage 1 input.\u003c\/li\u003e\n\u003cli\u003eFREQ CV 2 – Frequency control voltage 2 input.\u003c\/li\u003e\n\u003cli\u003eRESO CV – Resonance control voltage input.\u003c\/li\u003e\n\u003cli\u003eINPUT – Audio input.\u003c\/li\u003e\n\u003cli\u003eOUTPUT x2 – Audio outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePower Usage - 27mA, 34mA (+12 \/ -12)\u003c\/p\u003e","brand":"Studio Electronics","offers":[{"title":"Default Title","offer_id":44450036711527,"sku":"64529","price":242.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/studio-electronics-4075-1_1_d6007989-c07c-4f51-a916-ca49a4a32515.jpg?v=1787091423"},{"product_id":"2hp-filt-filter","title":"2hp FILT Filter","description":"\u003cp\u003e\u003cstrong\u003e2hp FILT\u003c\/strong\u003e is a voltage controlled, analog, multimode filter. 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The result is a versatile filter module that sounds natural and energetic. The Dynamic Impulse Filter works in one of three modes: resonant lowpass filter, high quality VCA, and a combined lowpass gate mode that manages both timbre and loudness at the same time. The core of the filter uses a Sallen-Key topology to produce a smooth two pole filter that will self-oscillate at high resonance settings.\u003c\/p\u003e  \u003ch3\u003eVactrols\u003c\/h3\u003e  \u003cp\u003eThe dynamics response control is the key. Historically, lowpass gates have used a light dependent resistor called a vactrol to impart a magical, organic response onto a sound. This unique signature has given the vactrol an almost mythical status in the synth community. However, the venerable vactrol is not without its problems. Vactrol response times can vary wildly, creating sonic differences from module to module that cannot be adjusted without replacing the vactrol. The fruit of over two years of research and development, the Dynamic Impulse Filter evolves the lowpass gate into the present by retaining the sonic characteristics most loved about vactrols while solving all the problems that come with it. The unique design of the Dynamic Impulse Filter replaces the vactrol with a modern analog circuit created to replicate and expand on the signature sound of the vactrol. The response time of the Dynamic Impulse Filter is not static like a vactrol; instead it is tunable allowing the response of the module to adapt to any musical context.\u003c\/p\u003e  \u003cp\u003eUsed as a filter, the Dynamic Impulse Filter offers a wide sonic palate with smooth frequency sweeps and aggressive resonance. The Dynamics Response control is an essential part of the filter's unique ability to create rich, tunable sounds. The impulse trigger input and the exclusive Dynamics Response control allow the module to add an organic, percussive quality to any sound or become a versatile analog drum generator. The Dynamic Impulse Filter will uniquely emulate everything from snappy deep kicks, woody toms, and expressive hand drums, to open up a new world of electronic percussive sounds.\u003c\/p\u003e  \u003ch3\u003eShared Response\u003c\/h3\u003e  \u003cp\u003eThe Response output of the Dynamic Impulse Filter can be used to control other modules that utilize vactrols. The Response output superimposes the variable Dynamics Response onto vactrol based modules allowing the response of a static vactrol to become adjustable. 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Combined with the Play Trigger jack and the 1V\/oct jack, the STS can be two complete multi-timbral pitch-tracked stereo voices! There's also a Reverse button and jack for backwards playback, and an End Out jack for synchronizing loops, or cascading sample playback with other events.\u003c\/p\u003e\r\n\u003ch3 id=\"toc_1\"\u003eRECORDING CHANNEL\u003c\/h3\u003e\r\n\u003cp\u003eWhether you patched 47 modules to create the ultimate percussive blast, or you want to capture your four hour ambient performance, recording high-quality .wav files on the STS is simple. Just hit the REC button or fire a trigger and a new stereo .wav file will be created on the SD card. Do as many takes as you need: the STS never deletes your files. Re-ordering or re-arranging samples into banks is easy, even without a computer. You can even fill a bank with 10 different variations and immediately use them for playback. 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The number of 6 nodes had been reduced to only two filter nodes - but still this structure offers a tremendous variety of sounds. The module contains 2 analog T-ladder Moog-like filters and a digital delay.\u003c\/p\u003e  \u003cp\u003eNot only can these two filters being controlled by cutoff and resonance - they can be feedbacked negatively or positively to itself or even across the partner filter by the mix knobs. Also they can be feedbacked across a digital delay\/reverb chip which is literally woven into the signal path.\u003c\/p\u003e  \u003cp\u003eOn the T-Rackonizer, the feedback and cutoff controls can be CV-controlled. Once you insert a CV cable into the CV jacks, the corresponding internal control knob (e.g. Cutoff) acts as an amount to the external CV. Without CV input, the control knobs work across the internal range.\u003c\/p\u003e  \u003cp\u003eThe filters are made from discrete parts and form a 24 dB pole lowpass filter transistor cascade.\u003c\/p\u003e  \u003cp\u003eYou can select 8 different algorithms, each with different delays, wave guides or structures and different feedbacks and modulate them even with an LFO.\u003c\/p\u003e  \u003cp\u003eDelays reach from less than a millisecond to 1 second, range and structure is depending on the algorithm.\u003c\/p\u003e  \u003cp\u003eThese capabilities let you create evolving analog tape echoes, \"klingon parties\" by extremely feedbacked wave guide algorithm and much more. By the analog feedback everything sounds organic. The screaming analog feedbacks can delay themselves and thereby form new sound patterns.\u003c\/p\u003e  \u003cp\u003eThe sine LFO gets retriggered by the audio signal and can be shaped with the audio envelope or just run alone. 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The envelope followers' speed is globally adjustable.\u003c\/p\u003e  \u003cp\u003eDue to the individual audio inputs and outputs for odd and even filter bands the module can be patched to be a six-band vocoder. You might as well combine two Bark Filters to a 12-band vocoder.\u003c\/p\u003e  \u003cp\u003eThe Bark Filter Processor is based on the Bark scale, a psychacoustic perceptual scale of pitches, thus the module's twelve frequency bands originate from the Bark Scale. The lowest band uses a band pass filter, the highest uses a high pass, all other bands use band pass filters. Besides an individual audio output each band also features a separate envelope follower CV output.\u003c\/p\u003e  \u003cp\u003eThe levels of the filter bands can be set and modulated in a number of ways. On one hand for each individual band manually with the fader and with a CV which is injected into the socket below the fader. On the other hand there is the scan function from Verbos' own Harmonic Oscillator which dynamically can control several bands, independent of the faders:\u003c\/p\u003e  \u003cp\u003e\"Frequency Scan\" sequentially scans through the frequency spectrum, with Center and Width determining the center frequency and bandwidth\u003c\/p\u003e  \u003cp\u003e\"Spectral Tilt\" either emphasizes the low or high harmonics.\u003c\/p\u003e  \u003cp\u003eEach filter band passes an individual envelope follower which emits a CV. The sum of all twelve EV-CVs is available at the all followers output, though. The envelope followers' decay times are set globally which affects the quickness of the filterbank - longer settings might be fine for voice, shorter more suitable for percussive signals.\u003c\/p\u003e  \u003cp\u003eThe module has two level-adjustable audio inputs, each one for the odd and the even filter bands which makes possible to use the Bark Filter Processor as a dual six-band filterbank. The inputs can be criss-crossed by normalizations in order to process the same audio signal with all frequency bands. There are three mix audio outputs: one for all even bands, one for all odd bands and one for all frequency bands.\u003c\/p\u003e  \u003cp\u003eHow to construct a six-band vocoder? One half of the bands is used as analysis section and is fed with speech for instance; the other half of the bands makes for the synthesis section and is fed with oscillator and noise signals. Now patch the analysis section's envelope follower outputs to the level CV inputs of the synthesis section - the vocoder signal will be present at the synthesis output. 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In the fall of 2008 the Model 41 began as a joint effort with Nyle Steiner based on this design and slated as a limited edition module to celebrate the 5 year anniversary of Plan B.  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