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WMDevices Micro Hadron Collider

Very powerful dual VCF with an integrated mixer to pit the two sides against each other producing complex waveshapes and artfully sculpted timbres

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Our Price: $339.00

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Product Description
Additional Information
  • Product Description

    The WMDevices Micro Hadron Collider 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.

    In 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.

    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.

    Signal Flow

    Knobs 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.

    The 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.

    For 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.

    Filter Modes

    The 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.

    Using 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).

    The Mixer

    What 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.

    The 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!

    Filter 2's input to the Mixer has a phase switch to invert the signal, providing more control over the mix output.

  • Additional Information

    Condition New
    Chassis module
    Module Slot Count 16hp
    Connector Type 3.5mm
    Power Consumption +100 mA/-85 mA
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  • View FileWMDevices Micro Hadron Collider Manual (1.88 MB)