- 3 Monkeys
- AER
- Ampeg
- Ashdown
- Behringer
- Blackstar
- Bogner
- Budda
- Carvin
- Cicognani
- Cornell
- Cornford
- Dr. Z Amplification
- Egnater
- ENGL
- EVH
- Evil Robot
- Fender
- Fishman
- Fuchs
- Gretsch
- Hartke
- Hayden
- Headstrong
- Hughes and Kettner
- Jet City
- Kemper
- Koch
- Laney
- Line 6
- Marshall
- Matchless
- Mesa Boogie
- Morgan
- Orange
- Palmer
- Peavey
- Rivera
- Roland
- Satellite
- Shertler
- Sommatone
- Suhr
- Tone King
- Two-Rock
- Victoria
- Vox
- Vyse
Fat sound
In search of guitar tone – Joe Hoyle
