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mono amps one weaker than the other ????

i have a pair of high end mono amps from deja vu and after about 2 hours the soundstage moves distinctly to 1 side, i tried switching cables, sources etc... but nothing else at this point, question could a weak tube work good for a couple hours then show a decided loss of output or does this sound like something more thanks in advance

Joe
joespride

Showing 2 responses by joespride

joespride OP
8 posts
 
i did call deja vu and they indicated a driver tube more than likely the issue, i hooked the amps back up as they were and the issue was still present,so i pulled the drivers cleaned the pins and switched them sound leveled out again and i have a good image again, still odd how a tube can play great for 2 hours then all the sudden loose contact or what ever and play at half volume

Joe
joespride OP
8 posts
 
switching the tubes and cleaning the pins did the trick.....amps sound wonderful now thanks

Joe
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