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.
For those of you who have wondered where to get U-links for making or breaking the 0V connection to your chassis, Antique Electronic Supply have the very thing (and at a decent price).
