MATRIXSYNTH

ULT-SOUND ProMuzer DS-2 Vintage Drum Synthesizer

via this auction

"- ULT SOUND Drum Synthesizer
- Toyo Gakki Japan around 1978
- Analog sound engine
- 2 channels
- 2 pads integrated in the lid
- Tripod mount on the bottom
- Includes power supply"

via this auction
"rare Soviet analog polyphonic synthesizer - ELEKTRONIKA EM 25. This auction synth was made in November 1991 by most pupular Soviet brand. "Elektronika" was the so-called brand name for any former Soviet electronic product made in any former Soviet factory more or less involved in the manufacturing of any electronic devices and there were a whole range of electronic products released in Russia (watches, TV sets, amps, speakers, tuners, and more) that used this 'trademark'.

Elektronika EM-25 is a polyphonic synth specialising in strings, organ and brass. Like other such instruments, it has a 'divide-down' variety to give a totally polyphonic generator through a single filter, amp and envelope.

The strings section had mixable contrabass, cello and violins with variable attack and decay and the obligatory chorus unit for the rich ensemble effect.

The organ offered variable footages at 16', 8', 4' and 2' with variable attack and decay whilst the brass section offered trombone and trumpet. Of course, none of these sounds 'realistic' but there are plenty of controls and facilities to coax some sonic mileage out of this trio of sounds.

There is an LFO that could be used to sweep the apparently fiercely resonant, self-oscillating filter and all the sections could be mixed and balanced - even split across the keyboard range - and so, in that respect, the EM-25 was not unlike the Moog Opus, Korg Trident and other such keyboards. To the left was a performance section - "Transposer" with a pitchbend lever that appears to have been lifted directly from Roland's 'bender' design!

As other soviet synths EM 25 has it`s own unique sound. You can get from the synth - warm analog strings, smooth pads, orchestral sounds, fat synthetic brasses and leads, various space fx sounds etc."

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LELL UDS - soviet analog 2-chan drum module synth

via this auction
"This drum synthesizer is a hard-to-find now! It use 2 separate channels of drum synthesis and has warm, punch and very analogue drum sounds, also many fx or percussion variations! Item in very good working condition, tested by pro service, all connections use 5-din plugs, adapters from 1/4 jack to 5-din for audio inputs/output is included! Two plastic caps on front panel are not original.

LELL UDS is a compact analog electronic percussion module like SIMMONS, FORMANTA UDS (ROKTON), ELSITA or similar...Good for use if you play 80-th type drums or modern/experimental percussions. This module can be triggered by any drum machine use its individual line outputs or play of course with standard velocity drum pads.

It has 2 independent and identical channels with powerfull parameters of synthesis such - GAIN, TONE PITCH, ENV MOD, RELEASE, RESONANCE, ACCENT (CLICK), NOISE HI-LOW, MIX TONE-NOISE, LEVEL etc...

Polyphony - 2 voices
Oscillators - 2 + 2 noise generators with AR
Filter - resonant lowpass, env mod
Pitch - tone tuning
Amplifier - attack, release, volume
Ext control - 2 drum pads with velocity
Inputs - two 5DIN plugs
Outputs - line 5DIN plug
Weight - about 3kg

samples at the auction and ruskeys.net

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SOLARIS Estradin 314 - Soviet Analog Poly Synthesizer

via this auction

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OBERHEIM Xpander Analog Synthesizer

via this auction

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Grüvtron Demo

YouTube Uploaded by soundtrends on Mar 5, 2011

"A demo showing the basic way of using grüvtron. It shows Arpeggio, Bass, Chord and Loop instruments and creation of new instrument parts through playing and morphing the Presets. Great fun! Grüvtron runs on iPhone, iPod touch and iPad 1 and 2. There will be another video later to show Audio Copy/Paste use and BeatSync for jamming with another iOS device."

Not seeing this one on iTunes yet. If anyone can find it, let me know.
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