The Guitar Amp Handbook: Understanding Tube Amplifiers and Getting Great Sounds, Updated Edition : Dave Hunter: Amazon.co.uk: Books
The Guitar AMP Handbook: Understanding Amplifiers and Getting Great Sounds: Understanding Tube Amplifiers and Getting Great Sounds : Dave Hunter: Amazon.co.uk: Books
There is a worldwide panic on availability of vacuum tubes”: EHX's Mike Matthews on the murky future of valve amps
Tube amps w/ Geoff Farina: Troubleshooting Tube Guitar Amps | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.