Short one here folks, to announce that the live Gabtone TV Shop Cam will resume in work days afternoons (usually at around 4:00 pm CST) for those of you curious on tube guitar amp building
Posts Tagged ‘Video Tutorials’
The Jumpy Mod
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 [...]
The Patient Arrived
The patient is in the house. Before taking the scalpel and start the surgery, I thought of shooting a quick reference video for the newly receive out of the box Epiphone Valve Junior head. We will use this to compare the tone for each mod as we go along in our face lift journey.
I was [...]
Epiphone Valve Junior Mods: Removing the Chassis
I don’t know how many times it happened that I spent so much time on trying to guess how to open a unit just to be able to get to the heart of the problem and fix it. Yes, even pulling the chassis out of an Epiphone Valve Junior can be intimidating for the first comer.

















