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 Post subject: Huge drop in amp volume
PostPosted: Tue Sep 25, 2018 6:31 pm 
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TRIWATT's been running great for a year or two, the other day I turned it on the the volume is <10% of what it should be. Took a look at the tubes and V4, one of the 12AX7, was glowing like the sun, compared to V1, V2 and V3 at least.

I swapped out V4, now the tube glow is inline, but it hasn't sorted the volume issue. Thoughts?

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PostPosted: Sat Sep 29, 2018 8:18 am 
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First measure all he voltages and compare to before. There may be a clue in that. that's the starting pont.

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