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Plexi SE PCB Valve Junior Conversion
Version 2
Build Manual
23 August 2009
2 of 34
1. Introduction
This manual contains instructions to convert an Epiphone Valve Junior into a 5
watt single ended tube amplifier modeled after the legendary Marshall 1959
Super Lead (Plexi). The heart of the amp is the Plexi SE PCB, which
conveniently lays out the circuit in a printed circuit board, PCB, package.
This manual provides instruction for the assembly of version 1.0 of the Plexi SE
PCB.
To simplify things,
•
The Epiphone Valve Junior will be referred to as EVJ, and
This manual guides you through the conversion which includes:
•
removing the stock EVJ chassis from its cabinet,
•
extracting the stock EVJ pcb,
•
drilling the chassis,
•
assembling the Plexi SE PCB,
•
installation and hookup of the Plexi SE PCB into the EVJ chassis,
•
initial power-up and testing, and
•
reinstalling the chassis back into the EVJ cabinet to finish up the job.
Here’s a look at the Plexi SE PCB if you haven’t purchased yours yet.
Version 1.0
