Will a 921b Modulate itself?

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1

Im wondering if you use a waveshape out from a 921b into one of the control inputs of a 921a, will you get a glitch or any type of FM?

What if you used a sync out into a control input?


Will this glitch or cause an unwanted summing of voltages (feedback loop) that can cause damage?

Thanks,
Eric

2

I have no idea if it will hurt that vintage stuff, but it is a technique I use on Q106’s all the time. Run the sine or triangle back into the pitch control through the attenuator. Weird and sometimes wonderful things happen.