tube amp burning smell...

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tube amp burning smell...

Post by joninc » Wed Dec 04, 2019 1:47 pm

hey audiomigos.

my little SF fender vibrochamp is giving off a burning smell but appears to be working fine... it started a little while ago and i haven't used it too often so i keep forgetting about it.. until i turn it on again. Obviously I don't want to damage it further so it's off now.

Can't see any actual smoke - tubes aren't doing anything weird... but it's definitely smelling bad and has done so a few times now - once I did use
it for probably 1.5 hours or so so it's not some dust that's burning off or anything either.

what should I be looking for?

Does this sound like a tube issue or something in the circuit?
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Re: tube amp burning smell...

Post by A.David.MacKinnon » Wed Dec 04, 2019 1:50 pm

Caps maybe? Sounds like it needs a trip to the tech.

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Re: tube amp burning smell...

Post by vernier » Wed Dec 04, 2019 10:16 pm

Yep .. possibly needs a new cap. So yeah ...trip to an amp tech.

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