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Juan Estrada_1

Marshall JMP-1 Tube MIDI Guitar Preamp



Sound Quality


Reliability/Durability


General Comments

I have a suggestion to users who complain about the high hiss level of this preamp: try replacing the stock ECC-83 preamp tubes with Mesa Boogie SPAX7A tubes. I found that doing this not only cuts the hiss dramatically, but improves the overall tone and gives a slight gain increase.




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