The VCA Gain slider only increases hiss. There is no drone. The AR and ADSR all affect the thumping/clicking sound which is just barely audible. With a scope, I can trace the audio signal into Board C-II, through the Audio Switches and Mixer Sliders. But the signal suddenly disappears at the junction of R1-R3 and C1 and C13, just before the input of the 4075.
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Re: ARP Odyssey II no sound
2012-05-18 by Alexis V. Rogers