10 Epiphone Valve Jr.•Mercury Upgrade Kit
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Epiphone Valve Jr. • Version 2 & 3 Chassis
Locations of Mercury Magnetics transformers & choke mounting hole modifications
Mercury Magnetics: 07-19-10
www.MercuryMagnetics.com
Info@MercuryMagnetics.com
(818) 998-7791
Back of chassis
3/16” dia. hole
3/16” dia. hole
3/16” dia. hole
Mercury’s
Axiom EPJR-P
POWER
TRANSFORMER
mounting
hole
locations
3-1/2”
Hole location:
2-1/16“ x 2” from the front
left-hand corner of the chassis
Hole location:
4“ x 2-3/16” from the front
left-hand corner of the chassis
Enlarge existing hole
Mercury’s
Axiom EPJR-C-3H
CHOKE
mounting
hole
locations
2”
Hole location:
9-1/8” x 4-1/4” from the front
left-hand corner of the chassis
6V6 Mod (only!)
Hole location:
6-1/2” x 5-1/4” from the front
left-hand corner of the chassis
1” dia. From the center of the 1“ dia. hole
drill 2 mounting screw holes
exactly 1-1/2” apart.
Mercury’s
Axiom EPJR-O
OUTPUT TRANSFORMER
mounting hole locations
2.5” x 2” sq.
3/16” dia. holes
Front of chassis
(Outside chassis: 12-1/4” x 7”)
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Epiphone is a registered trademark of Gibson Guitar Corp. or its subsidiaries. Mercury Magnetics is not affiliated with Gibson Guitar Corp.
3/16” dia. hole
1/8” dia. hole 1/8” dia. hole