• 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.

DC heating my 300b

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I have read a lot of the debate over DC heating of DHT and would like to experiment myself. I am some what new to all this and would like to know if there is a DIY DC regulated circuit for my 300b heaters that I might be able to handle?
 
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