Korg Poly-800 Polyphonic Analog Synthesizer - Reverse Keys Edition [black keys], 1983, made in Japan

Link: vintagesynth | wikipedia | Owner's Manual | Schematic
Mods & Hacks: PolyBeast Mod KIT | Moog Slayer | fm800 |

SPECIFICATIONS

Polyphony - 8 voices (4 when doubled)
Oscillators - 1 DCO per voice (2 when doubled). 1 Noise generator.
LFO - Sine wave only w/ speed & delay and route to osc. or filter
Filter - One 24 dB/oct low-pass resonant filter
VCA - 3 ADBSSR Digital Envelope Generators: DCO, Noise, VCF
Effects - Stereo Chorus, Chord Memory
Sequencer - 256-step polyphonic sequencer with MIDI Start, Stop and Clock.
Keyboard - 49 keys
Memory - 64 patches
Control - MIDI IN/OUT/THRU, Cassette tape interface
Date Produced - 1983/84