A dramatic amp mod as well as the simplest in the Epiphone Valve Junior Head Tube Guitar Amplifier is known as the “JP1 Mod”. The name derived from the jumper labeled JP1 on the board.
It basically morphs the tone of the guitar amp from one with no definition, dark, to an instant edgy and more [...]
Adventures in thermionic home brewed guitar tone
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Sound Garage Tales Blog by Gabriel Bucataru is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.
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Sound Garage Tales Blog by Gabriel Bucataru is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.