I get a hiss at about mid position of the potentiometer.The strange thing is that the hiss is not at the same place everytime.It moves a bit to the left or the right.
How to fix this?
How to fix this?
Sounds like HF oscillation. Check with your oscilloscope and I would start by reducing the bandwidth to the audio spectrum only.
Yes, classic symptom of HF oscillation. To suggest a cure we would need lots more information, such as a circuit diagram.
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