2. amps-preamps
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Tube amp buzz (amp, not speakers)

Hello - 

Almarro a318b makes buzzing sound at random: sometimes it does, sometimes it doesn't, completely unpredictable. The buzz comes out of the amp itself, like a transformer buzz; the sound out of speakers is completely clean. 

I'll appreciate any ideas - what causes it, what to do?
boriso

Showing 1 response by monoogan

monoogan
55 posts
 
AC quality is usually brought up and probably for good reason. Some transformers can tolerate it and some buzz. It would be worse at certain times of the day than others.

Wouldn't hurt though to check the transformer screws and mounting.

Some transformers are rubber mounted to reduce the noise since it also can get the chassis buzzing.
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