1970 VINTAGE MARSHALL JMP50 SMALLBOX PLEXI 50W AMP 1986 BASS CIRCUIT
Description
A 1970 Marshall JMP50 smallbox amp! This metal face amp is mostly original and has its original transformers with a recent cap job. Pics tell the story but as can be seen, a replaced power tube socket and bias caps but all there where it counts most... please inquire if you have questions.