Power Tube Comparison
22:59
Guitar Amp Power Tube Comparison Listening Session
15:50
tuto remplacer les lampes d'un ampli guitare
26:13
Gear Talk - Power Tube Comparison El34 vs El84 vs 6V6 vs 6L6 vs 6550 vs KT88 (Reussenzehn)
47:13
United colors of Clubman - EL34-EL84-KT66
13:00
Guitar Myth Busting: Tubes Change The Amp's Tone At All?
23:58
Tube Amplifier Tone Stacks: Part 1
35:24
Tone Talk/Tech Talk - Guitar Amp Tubes & Speakers - 6L6/KT66, 6V6, EL84, E84L, EL34/KT77 - Bob Gjika
33:05