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#16051
Ted FletcherTed Fletcher
Keymaster

    I have just re-read the messages and see that you actually say that the hum/noise changes with the output gain control.

    If that is so then the output stage is OK. But if the problem is in an earlier stage then it should affect L and R outputs (as all earlier stages are in M/S mode). So apart from being certain that this hum/noise is to do with ground paths, I can’t suggest anything else.

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