• 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.

Looking for info 6C33C amp

After a brief search I may have started to answer my own question.

high-power SE 6C33C-amp


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If you haven't built anything with tubes, I'd start with something smaller.

Also the 6C33C is a pain in the butt compared to what you can do with sweep tubes... Cathode biasing these tubes wastes tonnes of power, too.