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Korg SIGMA KP-30 Vintage Analog Synthesizer

Korg Sigma

Via this auction

The 1979’s “bi-timbric” vintage synthesizer from Korg. Preset and synth sections, joystick, LP and HP filters (with pre-programmed resonance), aftertouch, modulations are present on the Sigma, but editing possibilites (envelopes) and the 3 octaves only keyboard make it limited. Take a look at the excellent description here.

 

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