Health Checkup: 1970 Marshall JMP!
51:06
Health Checkup: 1979 Marshall JMP 50w
55:36
Biasing Dave Friedman's 1968 Marshall Plexi 50w
8:14
Marshall JMP 50w Master vol lead MKII repair. Part 1
28:44
Transforming A Stainless Steel Bolt Into A Fully Functioning Miniature Lathe Chuck
1:41
Cranked 50w Marshall 1987 circuit through Fryette power station
1:40:34
Marshall JTM45 Bluesbreaker Revamp
21:32
The Allan Holdsworth "HARNESS" - Part I
40:47