Hello
Yes I meant this circuit. I a near future I will try to built it more or less as you sudgested it : a single opamp but with three capsules for each sides.?
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What do you mean by a simpler circuit?
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I would like to have a way to control the volume on this preamp but I am starting to feel that's too complex for me.
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Anyway thanks a lot. This is a beautiful collaborative thread.?