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Cgs synth

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Cynare envelope question

2015-04-08 by Sean Ellis

Hi! I'm looking at the schematics for the Cynare and noticed the original version has 2 back to back diodes and 2 resistors in a feedback loop for the envelope scale/invert section. These are missing from the Elby version of the circuit, what do they do to the envelope? I assume they alter the response in some way or are they for limiting the output level?

Same thing with using the LED into the VCA's control pin, does this change the shape of the envelope in any way or is it just to keep parts down? Not sure I've seen that done on other drum circuits before.

Cheers,
Sean

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