we fix broken Marshall amplification amps, these range from broken old vintage JMP heads, JCM2000 amps and the modern MG series of combo and practice amps.
We can mend your broken marshall valve amplifier using original parts as we deal direct with the main UK manufacture in Milton Keynes
Recent work has included
Repairing crackly knobs on a MG100 amplifier
Valve board replacement on JCM2000 where they end up running hot and have bias issues.
Replacing the speaker selecvtor on JMP jubilee model
various DSL revalving and biasing
Fitting tubesync to marshall valve heads