Tube Talk - New Sensor Corp. Russian made ECC83/12AX7 (Electro Harmonix,Tung-Sol,Sovtek etc.)
9:16
Tube Talk - JJ Electronic ECC83/12AX7 types. Which one to choose?
27:59
How Russians Dominate Nuclear Reactor Production? Cylindrical Forging Technology & Bending Machinery
8:50
Tube Shootout Telefunken vs. Mullard vs. Tung Sol (Vinyl Tonic)
4:33
2 Sovtek 12AX7 vs 2 RCA 12AX7A Tube Tone Comparison
4:21
Matsushita 12AX7 vs RCA 12AX7A ECC83 Tone Comparison
13:31
Tube Lab #6 12AX7 Tube Rolling
6:45
How Much Difference Do Tubes Makes?!
9:13