ELEKTRONIKA EM-25 RARE SOVIET USSR ANALOG SYNTHESIZER

via this auction
Video at the auction and bottom of this post.
"Electronica EM - 25 is a synthesizer-strings that has 3 timbre sections: stringed - contrabasses, violoncellos, violins, organ-registers ("16'","8'","4'","2'"), wind-trombones, trumpets.

Stringed and organ sections:
polyphonic attack and release of sound with duration control
switching decay mode

Wind instruments section:
generator of curved with controls: ATTACK, DECAY, SUSTAIN.
modulator with controls: RATE, DELAY, VIBRATO
controlled filter with controls: ENVELOPE, MODULATOR, CUTOFF, ACCENT
filter run mode -mono or polyphonic

There is also a possibility to split the keyboard to 2 section (with setting up different timbres of sounding)

Specifications:
— Number of octaves in a keyboard, 4 1/12
— In audible range, 9 1/12
— Number of programmed timbres, 12
—Power consumption max, 30V*A
— Dimensions, 890x355x102 mm (35'x14'x4')
— Weight with soft case and pedal, 17 kg (approx. 37.47 Pounds)
— Also contains 1.126 gramms GOLD materials, 6.143 SILVER materials"