• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

What are the Most helpful tube websites

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What are the most helpful (not forums) websites out there to learn this hobby?

I'm looking for stuff like the Audioclassroom at AudioXpress and/or good Diyers like Steve Bench. Anybody know of good articles hidden out there somewhere?

Thanks
Ryder
 
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