Maestro synthesizer | Маэстро цифровой электромузыкальный синтезатор, 1982, made in USSR


Description: ruskeys | Manual/Schematics [PDF]

Keyboard electronic musical instrument (KEMI) "Maestro" is a portable polyphonic four-voiced synthesizer with microprocessor control (KR-580) & programmed timbres "presets". Number of presets- 20. There is possibility to get vibrato frequency with depth & frequency control. This instrument includes "chorus" effect with depth control, filter with cut-off frequency & resonance control. There are also "arpeggio-tremolo" arrangement with speed control and joystick that pitch shifts & vibrato depth controls.

Specifications:
Mains voltage 220V 
Power consumption 25W 
Range of operating tempererature 15-35 C 
Relative oscillator drift over four hours is within +- 0.3 
Sound range overlaped by oscillators - 43,6 Hz- 5274 
Voices in unison-4 
Dynamic range  <55 db 
Weight 15kg
Engineer: Vladimir Kuzmin, designer: Olympiada Kuzmina, produced by Urals Vector Company.






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