• 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.

share your experience on sound of hybrid amps

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baudouin0

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Joined 2019
Here's one I built from a couple of years ago. The bias for each valve is set with a PIC and a DAC08. The PIC measures the current in each cathode resistor during calibration.
Screenshot from 2020-09-29 16-28-03.png
 
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