Korg PS-3100

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The PS-3100 Analogue Synthesiser has monstrous polyphony - one built-in VCO, VCF, VCA, and EG for each of the keys on the keyboard for a total of 48 synthesizer circuits and polyphony! It's VCF has three resonant filters, plus there's a ring modulator, tremolo modulator, and LFO. However it lacks some rather basic features you would like such as patch memory.

Its successors, the PS-3200 and PS-3300 have far greater potential, but the PS-3100 is the only one which is built as a single compact personal synthesizer with its built-in keyboard. The modules are completely separate and inter-connected using Korg's standard patching system. You create sounds by patching and twisting knobs, very similar to Korg's MS-series.

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1977 Korg PS-3100 Analog Semi-Modular Synthesizer Part 1
BrochurePDF of 1980 Korg Brochure, submitted by Niels Kloes


Polyphony - 48 voices
Oscillators - 12 VCO's
Effects - 3-band EQ
Filter - 3 Typical resonant VCF (filters)
VCA - 3 Envelope generators (without release)
Keyboard - 48 keys
Memory - None
Control - CV/GATE
Date Produced - 1977