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Korg Publishes Monotron Synthesizer Schematic

Korg has published a reference schematic for their excellent Monotron analog synth. Folks in the circuit bending community have been hacking this thing since it came out, but now we have a schemo to follow. Yet another tool in the quest for a fat, tasty bassline!

I can’t find this schematic on the North American site, but it is available on the Japanese site (scroll down to the bottom) or click here to get the PDF (monotron_sch).


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1 Comment

  1. Well I’ll tell you one thing, the filter isn’t even remotely an MS-20 clone. It’s very very similar to the Gakken SX150 though. The main difference is the FET F3, which is necessary because the LM324 opamp has a relatively low input impedance. Strangely enough, the SX-150 doesn’t have this even though the NJM2902 is roughly equivalent to the LM324.

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