Modular Synthesizer

” analog modular system 5U – 17 modules inc power supply MIDI.

2 Oscillators. noise source, ring modulation, 2 envelopes, 2 VCAs, state variable filter, MIDI interface and more with power supply. Includes MOTM-390 uLFO with MOTM to Dot com adapter.

All modules are in fantastic condition and work as expected. Two of the modules were previously owned by the Hollywood film composer Junkie XL (Tom Holkenborg). These modules come with certificates of authenticity.

Custom case NOT included (too heavy to ship although if you really want the case let me know).

System includes the following modules:

MOTM-390 uLFO w/adapter

Q106 Oscillator x2

Q110 Noise

Q117 Sample & Hold

Q116 Ring Modulator (previously owned by Junkie XL)

Q118 Instrument Interface

Q104 MIDI Interface

Q105 Slew Limiter

Q124 Multiples

Q125 Signal Processor

Q109 Envelope Generator x 2

Q107 State Variable Filter

Q108 Amplifier x 2

Q137 Power Control & Interface” Click here to visit listing on eBay Studio 88 Modular

“The Studio-88 systemstarts with a 44-space base cabinet providing six oscillators and associatedutility modules. The middle cabinet offers our 24-stage analog sequencer, fixedfilter bank, reverb, and additional utility modules. The top cabinet offers dualMoog-style Q960 sequencers, each with a sequential switch, sequencer interface,and trigger bus modules. A matching keyboard garage and patch cables are alsoincluded, along with a detailed book that covers each module, foot pedal, andMIDI software. Enclosed in solid walnut cabinets, this system is inexcellent shape. It was never moved and hardly used by single owner thatpurchased new.”
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5U Modular Synthesizer

“Up for sale is my beloved 5U modular synth system. This consists of the following modules:

Club of the Knobs


Voltage Controlled Oscillator


Voltage Controlled Amplifier


Voltage Controlled Filter

STG Soundlabs

Post-Lawsuit Lowpass Filter

Moon Modular


Voltage Controlled Modifier


Quad Voltage Controlled LFO




22-Space Studio Cabinet


44-Space Studio Cabinet


Power Control Module


Oscillator (VCO)


Oscillator (VCO)


Oscillator (VCO)


Power Interface Module


State Variable Filter (VCF)


Envelope Generator


Envelope Generator




Amplifier (VCA)


Amplifier (VCA)


Quantizer Bank


Quantizer Aid


Noise Source


Trigger Bus


Sample and Hold


Sequential Controller


Ring Modulator


MIDI Interface


Midi Interface Aid


4-Channel Mixer


Slew Limiter


Sequencer Interface


Sequential Switch




Transistor Ladder Filter (VCF)

Moreover, the modules are housed in the Studio-22 and Studio-44 walnut cabinets, each which contain their own separate power supply units.”
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MOTM/5U/MU Modular Synthesizer

“Large-format modular system offers: 40 modules of various brands and 150 modules. In addition, there are various power-related modules, mounted in the front and the rear.

The system is 275 MU’s front face panels spaces plus 32-more in the rear. Featuring: 27 full-range multi-waveform oscillators, 12-filters, 3 discrete MIDI interfaces, and 4 sequencers. ( not including the Matrixbrute features)

It has taken over a year to purchase and assemble all of the modules: this system is completely ready to use. Most of this system is housed in solid walnut cabinetry.

There are a few modules I bought in used condition, but the rest are new purchases. The cabinetry, controllers, and cabling are all new. After assembly, this system has not been moved, exposed to smoke, or touched by anyone but me.

The entire system is in excellent condition, with a couple of VERY minor scuffs where modules have been periodically installed and/or relocated.

Regrettably, this system got EXTREMELY LITTLE USAGE, and was left powered-OFF when not in use, sometimes months at a time.

I estimate a third of the modules have never been used.

As you can see, a higher percentage of this system is comprised of products, a solid/secure company who has steadily dominated the large-format modular world with superbly built and designed products. Their reputation is 2nd-to-none. The customer support is excellent and their facebook page is very useful. In addition, there are MANY instructional youtube videos, which are VERY helpful. This entire system is functioning properly with no known calibration issues.

I have documentation for most modules, that I have painstakingly collated, hole-punched, and arranged in a comprehensive binder.

One of the 22-space cabinets has a small ding on the front lip ( see photo) which could be repaired with a small amount of wood-putty and stain.The 22-space cabinets have warped slightly due to exposure to environmental differences between Texas and the WV Ohio River Valley where it currently resides.

I’m in no rush to sell this, and as such, for the time-being, will NOT sell individual pieces. This is for that one person who has wanted to get into a large-format modular but may have hesitated to engage due to the massive man-hours and waiting time to assemble such a massive system. I have over $59,000 invested in this system.”
Click here to search for synths on eBay Modular

“I’ve been working on this system for a while. I’m moving soon, so I need to downsize. Unfortunately this beast has to go. Everything works great and sounds beautiful.

3 – Q106 Oscillators
1 – Q112 4 Channel Mixer
2 – Q109 Envelope Generators
1 – Q107 Variable Filter
1 – Q137 Power Interface
1 – Q104 MIDI Interface
1 – Q118 Instrument Interface
1 – Q124 Multiple
1 – Q117 Sample and Hold
1 – Q167 LFO++
1 – Q115 Spring Reverb
1 – Q108 Amp

22HP Travel Case and Lid

25 – Patch Cables (various lengths)” Click here to search for synths on eBay Modular Synthesizer

” This analog modular synthesizer is made by It is based on their Entry System and has some extra modules added sp as to become more like their Studio-22 system. The Studio-22 sells for $3104 and the Entry System sells for $1750. Adding up the costs for all the individual modules set the cost at $2099.

This synth has very low hours and gentle use. It comes with a power supply that can supply 66 modules. Included modules are:

Q137 Power Control and Interface
Q104 Midi Interface
Q105 Slew Limiter
Q124 Multiples
Q106 Oscillator #1
Q106 Oscillator #2
Q112 4 ch mixer
Q116 Ring Modulator
Q109 Envelope Generator #1
Q109 Envelope Generator #2
Q107 State Variable Filter
Q108 Amplifer
4 x 12″ patch cables
5 x 24″ patch cables
3 x 36″ patch cables
Power supply and internal cables
22 module MDF cabnet” Click here to search for synths on eBay