I give to you some very short clips comparing a stock to a modded Epiphone Valve Jr Head. My amp guy is thinking of finding a reasonable solution to upgrade these over some of the more expensive ones that exist already. After listening to these clips, it would be a great asset to have your opinion on the mods vs stock tone and what you think a fair price would be to have the mods done (labor and parts). This would help determine if it's something other Epi Jr head owners might want. The modded Epiphone Valve Jr Head has a Russian Military spec EL-84 and a NOS Tung-Sol 2ax7. The screen power supply cap has been beefed up and a new and much upgraded output transformer. There were other slight changes, but these were the main ones. The stock Epiphone Valve Jr Head has the standard issued Sovtek tubes. I let both amps warm up for 20 minutes before doing these clips. I know you all like details, so... the guitar I used was a modified Squier 51 with a 1991 Rosewood Tele Am Std neck, GFS Liverpool bridge pickup, GFS Fat Alnico neck pickup, rewired for a dual concentric volumes, push/pull tone to split the bridge pickup, 3 way on-on-on pickup switch. I basically used the bridge humbucker for all of it, except on the clean clip I also used the neck pickup for one part. Here's a pic of the guitar if you like... http://www.instituteofnoise.com/pics/squier51-az-close.jpg The cab was a 4x12 with Celestion 25w Greenbacks. Ok, here's the clips... each one is from 12-20 seconds long max, each being short to easily/simply show each's tone. No EQ. There was a very slight amount of reverb to give a bit of ambience. The guitar volumes were set to 10 as was the tone knob to max treble. Stock clip is first, modded clip is second for each tone. CLEAN CLIPS: The part was first played on the bridge humbucker, then the neck single coil. (The difference is slight here but still an improvement). The amps were set to 9:00 on the volume... http://www.instituteofnoise.com/music/amps/EpiJrHead-Clean-Stock.mp3 http://www.instituteofnoise.com/music/amps/EpiJrHead-Clean-Mod.mp3 DIRTY CLIPS: The part was played on the bridge humbucker. The amps were set to 12:00 on the volume... http://www.instituteofnoise.com/music/amps/EpiJrHead-Dirty-Stock.mp3 http://www.instituteofnoise.com/music/amps/EpiJrHead-Dirty-Mod.mp3 CRUNCH CLIPS: The part was played on the bridge humbucker. The amps were set to 3:00 on the volume... http://www.instituteofnoise.com/music/amps/EpiJrHead-Crunch-Stock.mp3 http://www.instituteofnoise.com/music/amps/EpiJrHead-Crunch-Mod.mp3 Thanks again for listening and providing your thoughts!