JMP-1 Service - 230V to 120V Conversion and Battery Upgrade
Marshall JMP1 A Look Inside
Marshall JMP-1 transformer hum noise removal
Let's repair a Marshall JMP 1 and discuss the circuit
Marshall JMP 1 - Full Restore - #29 - David Bonilla
ADA MP-1 | Marshall JMP-1: Service Loaner Returns Home & Restorations Abound!
Marshall JMP plexi 1968 Super lead in for service, Part 1
1979 Marshall JMP 2204 Service and Playtest
Marshall JMP full service
Marshall JMP-1 - In Depth Demo by Leon Todd
Marshall JMP Super Bass repair
Marshall JMP 2203 Repair - Scratchy Pots
1983 JCM800 Marshall 2204 - RESTORATION AND SERVICE
Marshall 9100 Power Amp Conversion to 50/50
1976 Marshall JMP 2104 combo: mods, caps and repairs
Secrets of the Marshall 1959 Super Lead - 100W VINTAGE 1971 TUBE BEAST REPAIR!
ADA MP-1 (Pt 1): The War Against Bespoke Obsolescence
Marshall JMP 2203 Head - De-Modding a Classic Part 1: Assessment
FULL HOUR of Marshall Amp Repair Goodness - 1981 JMP Mk2 Master Model 100W Lead Head (2203)
1978 Marshall JMP 2203 - SERVICE & JEL100 MODS!!
CALIBRATE YOUR TORQUE WRENCH IN UNDER 5 MINUTES (NO SPECIAL TOOLS REQUIRED!)
Revive Your Marshall JMP-50 (2204) With Repairs And Upgrades!
Marshall JMP 2203 (the acdc amp) Maintenance - NOISE and HISS Gone!
Marshall Lead 50 MK II : repair and service of a classic amp with an uncommon, crazy modification.
1975 Marshall JMP 1959SLP - RESTORATION & TONES!!
