Bogen CHB-50 Tube Amplifier Conversion, ep 1: Tour and Mod Plans
10:30
Bogen CHB-50 Tube Amplifier Conversion, ep 2: Teardown to Bare Chassis
18:15
Powering Up A Forgotten 60-Year-Old Tube Amp - Bogen Challenger CHB50
22:12
Converting Bogen CT-60 into a guitar amp
29:32
HH Scott 222C and 222D Tube Amp Restorations - Part 1 - BG024
17:53
Bogen Challenger 35a: The BEST vintage PA for conversion to guitar amp??
11:11
Modifying a Bogen CHB-50 PA Head for Guitar or Harp
20:09
Hum Neutralizer Circuit For Tube Amps
55:16