Marshall 1978 JMP 100 Watt Amplifer Head (Modified) USED

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1978 Marshall JMP 100W Master volume head. Low hours on complete overhaul.

The head has been set up with the following:

New filter capacitors
Control potentiometers
Replacement fuse holder

12AX7 preamp tubes, and a quartet of matched EL34 tubes, all of which installed by a local amp engineer Dan, at Blitz.

Previous owner added two input jacks to the right of the stock jacks, effects loop circuit removed, send/return loops removed and replaced with push-in covers.

Collections: Guitar Amplifiers, Used

Category: Guitar Amplifier, Marshall, Used

Type: Guitar Amplifier

Marshall 1978 JMP 100 Watt Amplifer Head (Modified) USED

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