A complementary resource for learning about tube amps is the YouTube channel Fazio Electric. Colleen Fazio does a nice job of repairing old amps and explaining

A complementary resource for learning about tube amps is the YouTube channel Fazio Electric. Colleen Fazio does a nice job of repairing old amps and explaining various aspects of their construction, history, and significance. Plus she has a very calming voice and is probably one of the loveliest amp repair technicians out there. https://www.youtube.com/@FazioElectric https://www.youtube.com/@FazioElectric