MATRIXSYNTH

Easy Chord II by Oscer Schmidt - Rare Proto Omnichord?

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"Ultra Rare Oscer schmidt Easy Chord II. This Is surely the Predecessor to the Suzuki Omnichord. Fun little Sweet Harp with a Magical sound. Autoharp and Organ sounds and a Electronic strum section. Includes Chords F, C, G , B flat, C7, and D7

Comes with Original box, Play book, and suitable adaptor. Battery compartment is very clean!"

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Exploring Andromeda

Published on Sep 27, 2012 by experimentalsynth

"A first look at the Alesis Andromeda A6. Filter CV modulation (by a Moog Multi-Pedal) and subtle timbral explorations over a rhythm track made from Moog synths (Voyager, Little Phatty and Slim Phatty). Learn more at www.experimentalsynth.com"

Boxed Harvestmen

via Juliana Jaeger on Facebook

"Almost done."

I'm guessing these are the Tyme Sefari MKIIs mentioned here.

http://theharvestman.org/

Burgundy / Red Alesis A6 Andromeda

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Akai AX-73 Vintage Analog Synthesizer SN 16525-00305

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Pittsburgh Modular Foundation 2.0 Analog Eurorack Modular Synthesizer

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The Foundation is a fully modular, eurorack, analog synthesizer. A patchable system styled after the great monosynths of the past with no hardwired signal path or fixed voice architecture to restrict creativity. Driven by two wide range analog oscillators the Foundation produces a huge, warm sound that can't be matched by digital or VST synths. All of the elements of a classic voltage controlled synthesizer are available as an open, patchable, modern synth.

The Foundation is a "complete voice". It contains all the modules needed to produce a wide variety of complex sounds such as monster analog bass, cutting leads, evolving pads, and short percussive hits. All of which can be controlled directly using the Foundations' 42 knobs and switches then played with any standard Midi controller.

The Midi module included in the Foundation allows for monophonic / duophonic / and dual monophonic patching for maximum flexability. The Foundation is also fully compatable with Expert Sleepers Silent Way software plug-ins¹.

An unpatched Foundation offers a clean slate for sonic exploration and sound design. The open format of a modular synthesizer allows for greater control and a deeper understanding of synthesis. The Foundation is comprised of a heavy duty eurorack case and individual eurorack modules designed to work together and as part of a larger modular system. Modules within the Foundation can be rearranged easily or replaced as a system grows or individual needs change."

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SERGE 2 Panel Paperface w/ psu

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"Here is a very rare, early, kit-built Serge. One panel has a dual Negative Slew module, two Programmer modules, and a triple Bi-Directional Router. The second panel includes a module labeled "Dual 7486" (a ring-mod or dual VCA or both?), Sequencer, Dual Processor, Envelope Generator, dual

Positive Slew, and dual Negative Slew. The amazing thing about the slew modules is that they can be cycled for use as oscillators (audio or LFO) or triggered as envelopes--they are precursors to the infamous Serge DSG. The Envelope Generator can be used as a pulse-width-modulated oscillator. The Sequencer is a gate sequencer that can be used to clock the programmer to make a CV sequencer. These two panels can serve many purposes:

7 oscillators or LFOs or a bunch of simple envelope generators, or anything in between. They can easily be used as an instrument on their own or interfaced with other modular gear.

Everything works on these panels except the the top half of the Dual Processor, which won't pass signal. The pitches I was getting by cycling the Slews were sometimes unstable and quirky, but sounded good otherwise. The power supply gets pretty warm.

I'm sure you've noticed that someone built these panels with 1/8" (3.5mm) jacks. Notice the switch between the two programmers; it switches between the two top rows of the Programmers, sending to the jack on its left. The ground wire on one of the panels doesn't have a solder lug, but it is still easy to attach that wire to the PSU. The pots may benefit from a cleaning, but all work.

Since this is a vintage kit-built synthesizer it is sold strictly as-is..."

Here is a very rare, early, kit-built Serge. One panel has a dual Negative Slew module, two Programmer modules, and a triple Bi-Directional Router. The second panel includes a module labeled "Dual 7486" (a ring-mod or dual VCA or both?), Sequencer, Dual Processor, Envelope Generator, dual Positive Slew, and dual Negative Slew. The amazing thing about the slew modules is that they can be cycled for use as oscillators (audio or LFO) or triggered as envelopes--they are precursors to the infamous Serge DSG.

The Envelope Generator can be used as a pulse-width-modulated oscillator. The Sequencer is a gate sequencer that can be used to clock the programmer to make a CV sequencer. These two panels can serve many purposes: 7 oscillators or LFOs or a bunch of simple envelope generators, or anything in between. They can easily be used as an instrument on their own or interfaced with other modular gear.

Everything works on these panels except the the top half of the Dual Processor, which won't pass signal. The pitches I was getting by cycling the Slews were sometimes unstable and quirky, but sounded good otherwise. The power supply gets pretty warm. I'm sure you've noticed that someone built these panels with 1/8" (3.5mm) jacks. Notice the switch between the two programmers; it switches between the two top rows of the Programmers, sending to the jack on its left. The ground wire on one of the panels doesn't have a solder lug, but it is still easy to attach that wire to the PSU. The pots may benefit from a cleaning, but all work.

Since this is a vintage kit-built synthesizer it is sold strictly as-is

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BassBoy - overview

Published on Sep 27, 2012 by alexfox101

"BassBoy is a monophonic digital MIDI controlled bass synthesizer. Device receives all information via MIDI input. The unit consists of oscillator which generates SAW & SQUARE WAVE using 16-bit band-limited wavetables, thus making the number of harmonics limited. After that, the signal itself goes through a simple implementation of MOOG filter, whose frequency range is chosen by MIDI commands and which is affected by the level of the envelope. The filtered signal then comes to the controlled amplifier, which creates the signal shape, and in the end through DAC (WM8762) and pre-amp circuit goes to the audio jack 6.35mm.

http://www.mikroe.com/add-on-boards/audio-voice/bassboy/
http://andigo.ehotim.com//index.php?option=com_content&task=view&id=21&Itemid=41

Right channel - drums and other things, left channel - BassBoys...
Midi: Children - Robert Miles (rearranged)"