• 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.

Fake glow LED under valve in commercial devices

WLD? Three camera phone flash LED's in series with each cathode.


  • SeeTheLight_b.jpg
    69.9 KB · Views: 354