TOPAZ-1 - SOVIET VINTAGE ELECTRONIC ACCORDION SYNTHESIZER

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"Up for sale is VERY UNIQUE & RARE vintage soviet synthesizer - electronic accordion "TOPAZ-1".

5-row electronic accordion (bayan) TOPAZ-1 was produced in the USSR in 1980s by "Formanta" factory which is famous for its Polivoks, EMC-01 & Maestro synthesizers.
It is designed in an accordion\bayan formfactor to "emulate" the control features of a traditional accordion. It uses register synthesis to create sounds of organ, flute, synthesized timbres an so on. Has very broad palette of sounds & features. Also, there is built in loudspeaker with level control & volume pedal. Powered by voltage adapter (included) or 8 D-Type batteries.

PARAMETERS: tremolo frequency, vibrato frequency, depth frequency, tuning, keyboard's balance, volume, timbre HF/LF, registers' switching knobs, loudspeaker, power.
Connectors: IN for pedal, OUT for audio out.

Main Audio Output (Line out\Phones) is standard 1\4 TRS "Jacks".

FULL SET:
1) Electronic accordion "Topaz-1"
2) Volume pedal-power adapter.
3) Cables
4) Shoulder belts
5) Voltage converter from 110-to-220 volts for 110/127v countries .

TOPAZ-1 is a highly sought-after rare east-bloc "gimmick" which has an original look & sound that can enrich any private collection. Also, it can serve as a memorable "prop" in some music video e.t.c.

Just only about 1000 units where produced in the USSR."

Description from http://ruskeys.net where you can find demos.