Kldguitar.com - China tube Guitar amplifier, tube guitar amplifier, china guitar amplifier manufacture , guitar amplifier kits and accessories,

guitar.ch - The only place in space serving all the necessary information you will ever need on guitar playing / F & Liebhaber der Gitarre: Alles was das Herz eines Gitarristen und einer Gitarristin zum Klingen bringt

Everythingradio.com - Antique radio / phonograph repair and restorations.

Weber VST - Amplifier chassis and speakers -

Aiken Amplification - Vacuum tube guitar amplifiers, direct boxes, attenuators, tube testers, parts, technical information.

Amplifiers Plus - Amplifiers Plus is a service-only facility, repairing guitar and bass amplifiers by manufacturers like Fender, Marshall, VOX, Ampeg and many others. We specialize in vintage amplifier repairs.

Byers Amplifiers - Custom guitar amps.

DST Engineering - Custom Built Amplifiers and Accessories

Edward Amplification - Vacuum tube guitar amps - Edward Amplification is a Canadian manufacturer of high quality vacuum tube guitar amps. Current products are The ED combo and The HED amplifier.

Gerhart Amplification -- Handmade Guitar Amps - Gerhart Amplification is your source for exceptional handmade tube guitar amps.

Guytronix - Guytronix Provides Low Watt Vacuum Tube Guitar Amp Kits and Accessories. Great for Recording or Bedroom Use.

Marvino Guitar Amplifiers - Handcrafted in Central Texas -

Pennington Amps - Pennington tube guitar amplifiers possess a special tonal quality that sets them apart from the rest. The sensitivity is immediately apparent - allowing the guitarist a new level of playing experience. Everything seems to come alive inspiring the player to new levels of creativity.

Retro-King Amplification - Our goal is to provide Musicians with the finest quality vintage amplification available today! & Our attention to detail, custom modifications and authentic TONE are guaranteed to meet the highest of demands.

Victoria Amps - Information on Victoria Guitar and Harmonica Amplifiers

Joe Barden Engineering (Manassas, Virginia) - Joe Barden Engineering (Manassas, Virginia)

Fulltone Custom Effects - Custom Guitar Effects and Equipment

AX84.com - The Cooperative Tube Guitar Amp Project