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Building a 300B PSE

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#11

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21st August 2021, 08:57 PM

A Stuart

A Stuart is offline

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Join Date: Jan 2006

Location: Selkirk, Scotland

Posts: 403

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Re: Building a 300B PSE

Are you saying the amp itself makes audible "sings/whistles" - the valves/transormers/chassis?

Luckily I have never had to troubleshoot a problem like this so can't help a lot. I am most surprised you are no flooded with offers of a diagnostic plan yet.

There is an FAQ page, and also at the top of the page, a "Search" function.

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