What A Difference A Tube Makes! Tung Sol vs Mesa vs JJ Tubes
22:59
Guitar Amp Power Tube Comparison Listening Session
9:16
Tube Talk - JJ Electronic ECC83/12AX7 types. Which one to choose?
29:23
CAMBIO DE BULBOS A PREAMP ART PRO MPA II. y CONTRUCCION DEL STUDIO.
5:41
12AX7 Tubes Comparison: Mesa Boogie SPAX7-A v. Genalex Gold Lion
21:02
Will Vacuum Tubes Change Your Amp?
39:00
Do Preamp tubes even matter? Can we HEAR the difference?
15:57
Tube Lab #10 Rolling 6SN7
40:52