Quote from: phatt on August 30, 2017, 08:25:09 AM
Hi lemdawg, and Welcome.
           I'm not the expert here but If I recall maybe check the supply filter caps as I think signal can bleed back through the supply if filter caps are not up to spec. Be patient, Others here will know more.
Phil.

Thanks for your help


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I have a Marshall clone 2x12 combo a 6v6 25 watt jtm45 wanna be. Recently it started to motorboat. It only happens when I play it is quiet if just instrument plugged in and turned on. I have opened that amp and can't see anything obvious no swollen or leaking capacitors, I replaced the tubes with no fix. Any tips on isolating the bad components

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