Audio Project Amplifier Speaker Loudspeaker Kit
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Marshall AVT50H - Click HERE for Original Thread
PAJW
Need help troubleshooting a Marshall AVT50H. Very low volume on either Clear or O/D with Volume and Gain pots all the way up. One set of PCB mount LCDs operational - more gain, more light. Other set ... nothing. CD in and Headphone jacks don't work either. Fuse OK and tube replaced. Any ideas ...

Thanks -
MadSkillzMan
Any luck? ive got one with the same problem

only neither LED clipping section works. It will work however when it POPS and the speaker goes wicked loud for a few seconds
PAJW
Yes, turned out to be the power amp. Audio Electronics/Dallas replaced it for me and it works just fine. Marshall has a three year warranty (which I didn't know) so that was even better ...

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