KORG MS-20

via this auction.

This one went up for the box. I don't think I've seen it before.

Details:
Overview of Specifications ^
2 VCO monophonic patchable (semi-modular) synthesizer;
37 note keyboard, C-C
Voltage Controlled Oscillator (VCO) 1:
- Scale: 32', 16', 8', 4'
- Waveforms: triangle, saw, pulse (variable width), noise
VCO 2:
- Scale: 16', 8', 4', 2'
- Waveforms: saw, square, narrow (25%) pulse, ring modulator
- Variable pitch control of VCO 2
VCO mixer: independent level controls for VCO 1 & 2
FM controls: level controls to MG and EG1
Voltage-controlled high-pass filter -
- Fc & peak (resonance) controls
Voltage-controlled low-pass filter -
- Fc & peak (resonance) controls
Frequency modulation of VCO's & VCF's Fc by MG or external cv
Modulation Generator (LFO)-
- Triangle/variable pulse waveform & frequency controls
Envelope Generator 1: delay, attack, release
Envelope Generator 2: hold, attack, decay, sustain, release
External Signal Processor; amp, filter, cv, env & trig outputs
Master tune, control wheel; momentary switch; portamento; headphone output
External Signal Processor: *
Signal level; low cut level; high cut level; cv adjust; threshold level
jacks - input; preamp out; BPF out; F>V out; env out, trig out
Patch panel, with independent white & pink noise sources, an additional VCA, sample & hold,
VCO's & VCF's cv/fm inputs, EG & MG cv outputs, EG trigger inputs, keyboard cv & trigger out,
keyboard trigger in, pre-VCF's external signal input etc.