FULL HOUR of Marshall Amp Repair Goodness - 1981 JMP Mk2 Master Model 100W Lead Head (2203)

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You asked for another amp repair or restoration video, well here you go... In this EPIC, hour-long amp video, we'll look at a 1981 Marshall JMP 2203 Super Lead 100W Master Volume Head. This is the last of the JMP line, which ended in 1981 when the JCM800 line began. This amp has a LOT of issues which we'll go over in this hour-long fixing, repair, electronics restoration extravaganza! A couple of the things we'll touch on include how to clean a square marshall lighted rocker switch, how to rebias the amp from EL34 or 6CA7 to 6550 tubes, and how to troubleshoot for shorts in the power supply. At the end, we'll demonstrate the tone of this beast with my Fender Telecaster.
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