V3397 2VCOs, 1 VCF, 4VCAs on one chip

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All analog:

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There’s also the 3394 which has one VCO (with suboscillator), VCF and five VCAs:

(and possibly more, iiuc all these are near-clones of CEM chips)

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Someone should take all the schemas that they are offering free from ericasynths for diy, and put them to pinterest or here as pictures!?