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increase gain on T1, (AMT 2050 v1.2) which resistors?

increase gain on T1, (AMT 2050 v1.2) which resistors?

When I connect to my netbook, output is low (same with my samsung tablet), and have to turn up the potentiometer to maximum.



Which resistor(s) do I need to replace to what value?



thanks,
Hi,
Increase value R3 and R5. We use 20kohm now, if you increase them to 40k, the gain will be doubled.
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