1U x 5U form factor VCO module based on equivalent discrete circuit derived from the Yamaha IG00153 VCO chip as used in the CS80.  Features CS-style sawtooth, sine and Yamaha-normalized 50% to 90% CV variable pulse outputs;  switchable exponential/linear attenuated FM input, 1v/octave CV response.  Note: mounting screws and power cable not included.

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