D-lab series Basic Training How to repair output tube red plate negative bias & safety lesson

A common failure on vintage tube amps. This video will teach you the things to look for if your amp is red plating and destroying your output tubes. The price of tubes is crazy high these days. Time to narrow down failure modes, perform some preventative maintenance, monitor the health of your classic tube amplifier. Its worth the effort. Plus, I will demonstrate a high voltage safety hazard waiting to bite you! Note: D-Lab will be launching a new Tech School series on Patreon soon. This is the next level up training following your basic training. Launch date will be announced. See: https://www.patreon.com/dlab_electronics?fan_landing=true