• 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.

Audio Research MCP 33

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This is one of my current designs similar to the ARC setup, works extremely well, very quiet. And a power supply similar to the one pictured with the buffered output. I did change the B+ in order to avoid elevating heater supply, to about 190VDC.
 

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