• 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.

Stabilization balanced currents in the PP stage.

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Dear Colleagues. Suggest improvement RR stage. Sets the balance of the machine. The proposed solution eliminates the capacitance and resistance in the cathode.
 

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