All keys, buttons, and sliders work great. Fantastic analog polysynth from the era when manufactures thought it would best to make synths with no knobs! Previous customer upgraded the sides with great looking wood sides!
Polyphony - 6 voices
Oscillators - 12 DCO's at 2 per voice
Layers - Single / Split / 2-part Multitimbral
Memory - 100 patches, 50 splits
Filter - 1 lowpass resonant filter
VCA - 2 VCA + 3 Multimode Envelopes
LFO - 2 (plus 1 for vibrato effect)
Keyboard - 61 keys (w/ velocity and aftertouch)
Arpeg/Seq - None
Control - MIDI In/OUT/THRU
Date Produced - 1986 - 1988