Aiken Tube Amplifier Fan Club - special thanks to Wayne Reno for this Yahoo group!AMPAGE - home to all amp/fx DIY'ers - one of the best resources on the net
Amptone - Papers, articles, and excerpts on amp tone, effects placement, and quiet cranked-tube-amp tone
AnaSoft - Kevin Aylward's SuperSpice simulation/schematic capture package
AX84 - The Cooperative Guitar Amp Project - home for DIY'ers
Duncan's Amp Pages - Duncan Munro's excellent technical resource from across the pond
Gary Aiken - one of Nashville's up and coming country music singer/songwriter/guitarists (and I'm proud to say, a relative of mine!)GEO - the guitar effects oriented web page by R.G. Keen
Harmony Central - product info, user reviews, articles, bbs, etc.
Matt McCloskey - Guitarist extraordinaire and Invader 18 combo owner - check out his site for some clips
Mitch Malloy - A fantastic singer/songwriter/guitarist - check out the new CD, "Shine"
Mojo Music - amp parts, etc. - they carry it all! Also, excellent custom cabinets made by Ken Jones (tell 'em I sent you!)
NAMM - the music industry association
NBS Electronics - top quality matched and tested tubes, and other amp parts
Pearl Alley Band - Excellent blues band featuring guitarist David Crane and his Invader 30 - check out their new CD!
Riccardo's Archives - Riccardo has done an excellent job of archiving all sorts of tech postings - check it out!
Steve's Tube Pages - A lot of detailed theoretical and practical tube design info from Steve Bench
The Blue Guitar - Steve Ahola's site with lots of excellent amp schematics and mod info
Vacuum Tube Valley - An excellent magazine on tubes and tube-related subjects.
WeberVST - top quality speakers from Ted & T.A. Weber - check them out!
West Labs - Headquarters for West Amps. Good source for conductive plastic pots and other quality parts.