cheetah
Cheetah
Cheetah Marketing was a Welsh company that produced music related hardware for computer systems in the eighties.
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Curtis Electromusic Specialties

CEM3396 - µP Controllable Dual Waveform Converter / Processor

Elka EK 22, Cheetah Ms6, Oberheim Matrix-6 & Matrix-6R
Narrow version: Oberheim Matrix 1000, Cheetah MS6
For the Oberheim Matrix-1000, check also my DIL wide to narrow adapter.