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You could probably adjust the gain of the amplifier by using a pot. Or build a preamp.
Can you post the schematic?
It shows a dual potentiometer with both sections almost connected in parallel.This is one of many photos on the web.
Your new photo does not work.Ya that was a gain pot how about this......
I know that.A "gain pot" is not a "volume control pot".
Why would you say that? Its a volume control.Your new photo does not work.
Also called an audio taper pot.You need a logarithmic pot on the input not the output.
Your new photo shows as a red X on the screen.
Your photo still does not appear.How about now?
Yes.How about this one?