Thanks Mike 56. Just read your other post. A huge relief to be sure. Appreciate you letting us know.

Thank you

Apologies for my ignorance. What does 'aop' stand for?
Thanks

Hi there Just read your post and heard the clip. This is exactly the same issue as I'm having. What was the fix? Been having all sorts of challenges my end getting this sorted. Marshall Australia don't appear to be aware of this issue - or I'm doing a really bad job explaining it. Thanks everyone.

Has anyone found a solution to this? I have a similar (maybe same) issue. Amp tech was not able to fix. Tracing the circuits all appeared fine as a signal goes in and comes out. But actually playing the amp is another story: Input signal sounds weak. Like the guitar volume is almost off. Attenuator ...