MOOG SYSTEM 55

via this auction where you'll find more images. Details: "Here is probably the last Moog System 55 of this planet. This is a rare opportunity to buy this legendary monstrous modular synthesizer. The Moog modular was used by most of the world-famous composers like Keith Emerson, Hans Zimmer, Vangelis, Pete Namlook, Tangerine Dream (Klaus Schulze), Wendy Carlos and others pioneers... The Moog modular synthesizer offered musicians a revolutionary new way to produce sound when it was released in the 1960s. It was originally intended for use in recording studios and universities and was not intended for (or widely embraced by) musicians for use in live performance. The analog electronics of the system often made sound generation unreliable and unpredictable during live performances.

This System 55 come in excellent (Mint) conditions, all modules are perfect and original of course, no keyboard but you can drive the modular with midi to cv converter box or the new synthesizers.com keyboard.
As you can see in the photos the system has a rich configuration because it mount another 904A lowpass filter respect the standard system 55 release ...so there are 3x filters + Filter coupler AMAZING!!!"

MPC SESSION 042709

YouTube via STATIX4321
"Choppin' up a record sample. I'm still trying to even up my timing, maybe change the drum beat before that, and then add some synths later."

greenville cs50

YouTube via 2222222aaa. via this auction. Interesting solution to a dead voice. :)

360 SYSTEMS VINTAGE GUITAR SYNTHESIZER

via this auction
"For your consideration is this cool and very rare 360 Systems Slave Driver guitar synthesizer controller interface. This is one of the first units to allow a guitar player to access all of the sounds and sequences typically only available to the synthesizer world. With this unit, a guitar player is able to hook up a guitar to a CV input synthesizer using this controller. You simply run the Slave Driver between your guitar and your synthesizer and you are able to produce and manipulate all of the sounds on your synth with your guitar. This unit is great for any experimental guitar or synth player alike and a must have for the synthesizer collector. These units are extremely rare, and 360 systems equipment is very collectible. It does not include a guitar pickup."

g43 Soviet RARE analogue synth synthesizer JUNOST-1132

via this auction

"This is Soviet legendary synth Junost-1132. It was made in eighties in USSR." You can find full specs at ruskeys.net.

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g42 Soviet synth synthesizer ELEKTRONIKA EM-26 vocoder

via this auction

"This is Soviet legendary synth Elektronika EM-26 (Vocoder). It was made in 1991." You can find full details on the synth at ruskeys.

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z22 Soviet EFFECT PROCESSOR ESKO-100 guitar synth pedal

via this auction

"Read here about its functions [link] Check out my other items!"

"Esko 100 is an effect processor with digital delay. Another version of Esko 100 features tape delay. Knobs on the upper panel: Modulation depth max/min, modulation depth max/min, reverb/flanger, record/memory. Made in USSR."

KORG Polysix

via this auction
"Korg Polysix (61 keys) from 1981 in good condition. This is a true analog piece that sounds original. The Polysix has warm-sounding real analog oscillators, softer and brassy-er sounding that the Juno. Engage the built-in Chorus on a simple single-oscillator sawtooth patch and you were pretty darned close to that expensive Prophet sound. But the big ace in the Polysix's hand was the Ensemble effect. Instant Mellotron-like strings. 6 voice polyphony, 1 VCO per voice (saw, PW, PWM) + 1 sub-oscillator per voice, 1 LFO assignable to VCA,VCF or VCO. Chorus, phaser and ensemble effect. Really good Arpeggiator (Up, Down, Up/Down, Latch; Full, 2-oct, 1-oct; rate 0.2 to 20 Hz)"

KORG Poly-800

via this auction where you'll find more images.
"The Korg Poly-800 is a programmable synthesizer released by Korg in 1983.

Comparable to the Roland Juno and in many ways better, the Poly-800 is an 8 voice polyphonic analog synthesizer with 64 memory patches and up to 50 editable parameters!

There's also a stereo chorus effect, a sequencer, and a weird joystick used to adjust pitch, modulation and the filter.

There is a double mode in which the oscillators double up making 4 fat voices of polyphony.

The Poly-800 could be run off batteries and had guitar strap pegs, allowing a performer to wear it like a guitar.

It is because Poly-800 was only 13 lbs."

Note the Poly-800 shares one filter across all voices, whereas others have one filter per voice. Where this comes into play is when you assign modulation to the filter such as an ENV. Instead of the modulation running independently for each key pressed it is shared across all keys.

Roland Juno-106

via this auction

* Polyphony - 6 voices
* Oscillators - 1 DCO per voice: pulse, saw, and square
* LFO - 1 with Rate and Delay
* Filter - non-resonant high pass and resonant low pass (24 dB/oct)
* VCA - ADSR, level and gate
* Keyboard - 61 keys
* Arpeg/Seq - None
* Memory - 128 patches
* Control - MIDI (In/Out/Thru)
* Date Produced - 1984