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SKU

100270

Moog Grandmother Semi-Modular Analog Synthesizer and Step Sequencer

Semi-modular analog synthesizer featuring a built-in arpeggiator, sequencer, and spring reverb tank

MFR# MOD-GRAND-01

Product Description

The Moog Grandmother is a semi-modular analog synthesizer with a built-in arpeggiator, sequencer, and spring reverb tank. Inspired by Moog’s modular roots, the Grandmother uses high quality analog components to deliver thick, rich tones. Thanks to an innovative pre-wired design, Grandmother requires absolutely no patching, making it easy to start exploring, experimenting and discovering new sounds.

ALL ANALOG SOUNDS

The Grandmother comes equipped with a 32-note velocity-sensitive keyboard for performing live or recording sequences up to 256 notes. At the heart of The Grandmother are two voltage-controlled oscillators (with hard sync capabilities) and a white noise generator. Each oscillator features a four-position octave switch and a four-position waveform selector, with options for Triangle, Saw, Square, and Narrow Pulse. A three-channel mixer with an additional 1/4” external audio input lets you blend signals together for limitless possibilities.

VERSATILE TONE SHAPING TOOLS

The Grandmother is equipped with an array of versatile tools for sculpting sounds. Moog’s classic four-pole Ladder filter and a patchable one-pole high pass filter make it easy to dial in a wide range of unique sounds. An all-analog ADSR envelope allows you to craft everything from tight, punchy plucks or big booming bass patches. The modulation section is packed with a wide-range analog LFO with sync input and a sample/hold output for creating dynamic, evolving soundscapes. The built-in 6-inch spring reverb tank gives tracks a deep, dark tone that’s entirely one-of-a-kind. With 21 inputs, 20 outputs, and 41 patch points, there’s no limit to what you can create.

INS AND OUTS

The Grandmother’s rear panel is equipped with an array of inputs and outputs for integrating additional audio devices. The Audio section includes the Main Output/Headphone Output, as well as a dedicated instrument input for controlling the Grandmother with an external device. A Eurorack Out jack makes it easy to connect to Eurorack devices, while the dedicated reverb out lets you capture wet and dry signals. The ARP/SEQ CV jacks are used to synchronizing the Arpeggiator or Sequencer with other analog instruments. A robust MIDI section features MIDI In, Out and Thru jacks—as well as a USB output—for connecting to other MIDI-equipped synthesizers, keyboards, processors, and more.

Features:

  • Hardware Spring Reverb can be used to process external sounds
  • ¼” External audio input for guitars, drum machines, and more.
  • Semi-modular - no patching is required
  • Easy to use Arpeggiator and Sequencer
  • Store up to 3 sequences with up to 256 notes each
  • 2 Analog Oscillators with selectable waveshape and hard sync
  • Classic 4-Pole 10 Hz - 20 kHz Ladder filter
  • Patchable 1-Pole High Pass filter
  • Analog ADSR Envelope Generator
  • Analog LFO with audio-rate capabilities
  • 32-note Fatar keyboard with velocity
  • All normalized connections can be interrupted for full modularity
  • DIN MIDI In/Out/Thru and USB MIDI
  • Patchable bipolar attenuator
  • Works with Mother-32, DFAM, Eurorack modular systems and more
  • 41 patch points with 21 inputs, 16 outputs and a Parallel-Wired 4-jack Mult

Product Specifications

Condition New
Width 23 in
Height 5.5 in
Depth 14.2 in
Unit Weight 16 lb
Chassis Desktop
Input Connectors 1/4-inch TRS
Output Connectors 1/4-inch TRS
Computer Connection USB
MIDI Connections In, Out, Through
Number of Keys 32
Connector Type 3.5 mm

Product Reviews

4.9 out of 5 stars.
Review Count (7)

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Sounds amazing. Biggest raw sound I've heard from a mono synth. Patching capabilities are really deep. Lots of modulation options. Only wish it had a dedicated filter envelope, but even that can be circumvented with clever patching.

By Justin S on December 17, 2019

I'm not a hardcore analog synth guy, though I did take a theory of sound design courses in college decades ago. I've messed around with software synths in Logic, but this is my first truly outboard analog synth. I find it very approachable, great sounds, lots of flexibility. There's also a great manual and videos online to get you jump started. The reason I'm not giving this 5 stars is because the 4th time I turned this thing on, I got a very low signal with notes bleeding into other notes even with no keys pressed. As it turns out there is a known grounding issue with the included power supply. Moog tech support was great and sent me an ungrounded PSU for free, and now it works perfectly well. Overall very happy with the Grandmother.

By James H on June 10, 2019

Learned how to synthesize gross wet fart sounds. Would highly recommemd!

By Jeff D on February 10, 2019

The Moog Grandmother is an amazing mono synth. It is laid out clearly by section and color, sounds fantastic and the arpeggiator and sequencer are great. The Spring reverb is an excellent addition and provides immediate vibe. Thank you again to Chris Karn at Vintage King LA for the best service and price.

By Brett B on February 8, 2019

I’ve been a moog collector for years, and the Grandmother continues to impress me. The sonic pallet alone is impressive and diverse, while offering an easy to use interface. Powerful for it’s size and loaded with useful features ( including semi-modular patching) for it’s price. I love it.

By Bryan L on February 6, 2019

I hesitate to review this, because I’ve never encountered a mono synth with this combination of fantastic sound, playability, ease of use, flexibility, expandability *and* a great price. I feel an immediate connection with this instrument to the degree of wanting to keep the Moog Grandmother a secret, so every other synthesist doesn’t immediately rush out and buy one.

The basic sound and patchable modules are derived from the classic Moog modular synths, and have a character closer to the Moogs of the 60’s and 70’s than most of their recent offerings. So.. you get amazing sound to start with.. and from that point, the sky’s the limit.

If you prefer menus, presets and predictability, look elsewhere.. but if you enjoy performance and sonic exploration, then it’s time to meet your new Grandmother.

By Randall K on January 10, 2019

Really cool synth! It seems simple, but it’s quite versatile. If you’re used to presets it’s a fantastic way to play with limitations. And the price is right ;)

By Phillip S on January 7, 2019

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
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In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
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This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
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