'78 JMP50 Lead

Not sure about the history of this amp, but I'm guessing a master volume was installed in the external speaker jack at one time, then removed.  The preamp had also been hacked up a little bit, but nothing major.  I believe the transformers were original, but the appeared to have been removed at some point.   

I reverted the circuit to stock, replaced the electrolytic capacitors, and tidied up some of the spaghetti, glue, and burnt wiring.  I also added some voltage spike protection features, and installed a power amp input jack so the owner could use it as a slave amp.

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