Combo version 3 has front panel stripes that run along the top of the front panel and has 4, 8, and 16В О© outputs and a DC filament voltage.Combo version 2 has front panel stripes that run along the top of the front panel and has a 4В О© output only and a DC filament voltage.Combo version 1 has front panel stripes that run along the centre of the front panel and has a 4В О© output only and an AC filament voltage.In 2007, Epiphone released a speaker cabinet that can be used with the Epiphone Valve Junior, featuring a 12В in (300В mm) 16В О© Eminence Lady Luck speaker rated at 70В W RMS. The newer versions of the head and version 3 combos feature updated transformers with 4, 8, and 16В О© outputs and the version 3 combos feature an 8В in (200В mm) 16В О© Eminence Lady Luck speaker. The version 1 and version 2 combos feature an 8В in (200В mm) 4В О© ceramic speaker.Д®piphone released Combo version 3 and a newer version of the head with higher retail prices and feature a variety of tube brands based on availability including Electro-Harmonix, JJ, and Sovtek. Version 2 combos also featured these modifications. Epiphone then released a head version, correcting these issues and changed the AC filament voltage to DC voltage.

The first Epiphone Valve Juniors (version 1) were only combo amplifiers and received only a fair reception, due to such problems as buzzing and hum caused by the AC filament voltage. In June 2007 an updated head version and a version 3 combo were released. In January 2006 a head version was released and also a version 2 combo. version 1 combo was released in 2005 as a part of Epiphone's line of amplifiers. Single-Ended Class A Cathode Bias Design.Available as an 8В in (200В mm) speaker combo version or as a head only version.

Epiphone serial numbers