• 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.

PCB for making 12V control voltage from 6.3V heater winding.

The Little Delon

I made a mini version of the board for those low on space who still want to run a relay or something from a heater winding.
 

Attachments

  • 2021-02-25 08-55-04.jpg
    2021-02-25 08-55-04.jpg
    1 MB · Views: 138