Tube preamp budget kit test and review
22:09
Reviewing a cheap 6J1 tube preamp.
2:34:56
Chinese Tube Amplifier Kit Build (6Z4, 6N2, 6P1) (Ep. 174 )
27:43
Is this the best Preamp kit EVER?
22:25
NOBSOUND 12AX7 Preamp Part 2: DO NOT BUY IT BEFORE WATCHING THIS VIDEO!
19:07
"Color" Tube Pre-amp for Solid State Amps: Design Choices
1:16:11
STK 4191 Amplifier Kit Build & Test
14:47
Vacuum Tube Amplifier DIY : Bottlehead Single Ended eXperimenter’s Kit 3.0
8:14