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How to Modify an Epiphone Valve Junior Head
The Epiphone Valve Junior head is a 5-watt amplifier that connects to an external speaker cabinet. It has the notable characteristic of featuring only a volume control. It's a simple-to-use piece of class-A equipment. Class-A equipment is defined by... More »
Difficulty: Moderate
Source: www.ehow.com


News Flash! 3/3/2006. Just noticed Epiphone is now selling a head-only version of this amp that boasts a DC filament supply. Maybe consider that before you go to all the trouble of doing the hum-reducing mods below.


If you've never had a tube amp, you can try to find a Valve Junior (head or combo -- remember, combos like mine put stress on the tubes; you may want the .... Epiphone's V3 Valve Junior uses an OT with an impedance of 5k; this sounds very close to the Hammond 125DSE that most people replace the ...


The Epiphone Valve Junior guitar amp head gives you amazing, natural tube- driven tone just like the fancy boutique amps, at literally a fraction of the price! The 5-watt Valve Junior Head uses a single-ended Class A tube design, driven by an EL84 power tube. This little powerhouse is perfect for recording, rehearsals , and ...


Apr 8, 2006 ... Post subject: Hum reduction mods for Epiphone Valve junior. (Last update 3-09- 2006. ... The Epihpone valve junior is probably the least expensive low wattage class A tube amp available today. ..... besides, all of the mod sites are based on the Valve Jr. combo, and the inside of the head might be totally ...


Jan 5, 2015 ... (Updated: October 19, 2015) The best budget tube amp for most people is the Epiphone Valve Jr. It's customizable and has great tone and a bevy of loyal fans, plus ... ... (with a few caveats). We won't be reviewing heads and cabinets in this guide. For those, check out our picks for best budget amp head.


Epiphone Valve Jr. Mods. Based on Version 2 -DC Heater - Head version. V Jr Original. Silver/Gold “Marshallized” V Jr. “Fenderized” V Jr. Notes. R1. 68K. 1M. 1M. Along with R2, creates a voltage divider that determines how much input signal gets into the amp. Stock only allows half of the signal to enter. R2. 68K. 10K. 68K.


Gain Increase Tone Improvement The second round of mods add Negative Feedback, a tweed style tone control and a Master volume. I’ll cover the mods in sections and attempt to answer questions as we go along. Hopefully TWANG can jump in if I get over my head with the technical explanations.


The 5W Epiphone Valve Junior has certainly created a stir among devotees of tube-based guitar amplifiers. This little gem has quickly established a cult following, since it offers genuine class A tube amp vibe for a ridiculously low price ($140 for the combo, $100 for the newer head model). And you can pick up used  ...


Re: Epiphone Valve Junior project. « Reply #50 on: April 05, 2006, 04:22:20 pm ». Quote. Awesome! This will be next weekend's project. I couldn't resist ordering another combo and a head today. right on! Let us know how it sounds. I bought one of these with the intention of gutting and haven't figured out what to do with it  ...