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Maestro complete schematics (www.ruskeys.net)
submitted 1 year ago by [email protected] to c/[email protected]
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Maestro was a synth made in USSR that was designed by Vladimir Kuzmin of Polivoks fame. Maestro takes after Polivoks but adds digitally controlled oscillators and 4-voice polyphony. I learned a few things from studying its circuits.

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[-] [email protected] 1 points 1 year ago

I think I need to brush up on my Soviet IC codes - I found this, https://elcomps.com/en/a76 from which I can decipher that there are some analogue switch ICs (K157 ?) and maybe some NANDs (K155 ?), but I'd love a big list of codes and the closest Western CMOS equivalent to help understand these.

this post was submitted on 30 Jul 2023
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