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please give me a picture, thanks.

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How to adjust the volume in the OPA2604 pre-amplifier? The potentiometer is located there

I made a power amplifier, using TDA7294*2, but I used OPA2604 to control the volume, the sound quality is very good, the resolution is also very good, but the volume is unstable when controlling the volume, and there is a lot of noise! The sound is loud when there is noise!

Please give me a picture. Thank you!


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