1940s GUITAR AMP Conversion with SPOOKY MERCURY VAPOR Rectifier!
1:24:27
EPIC Guitar Amp Conversion - Complete Tube Amp Redesign
1:01:43
The OLDEST Piece of Tube Guitar Amp History I've Ever Restored!
10:42
Mercury Vapor Rectifiers and Hash
47:59
Johnny Hiland's MUSICMAN AMP and the SECRET Even He Didn't Know About!
59:52
Rusty YARD SALE AMP & Other Creations - TECH TIME w/ Tony Dorris of Volition
11:19
Testing 872A and 866A Mercury Vapor Rectifiers
55:35
Fender Princeton DISGUISED as a Gibson Skylark
56:38