| Garnet Guitar Amplifiers | Facts, photos, specs and details of Garnet amps, as... |
| Aguilar Amplifiers | Makers of handmade bass amps.... |
| Gallien-Krueger | Bass cabinets, heads, combos, and accessories.... |
| Dr Z Amplifiers | Professional quality amps with sound clips and revi... |
| Amp Tone | Extensive collection of unattributed extracts about... |
| Tone King Amplifier Company | Manufacturer of vacuum-tube guitar amplifiers.... |
| Crate Amps | Company background information and product overview... |
| Marshall Amplification | Product images and specifications, information on -... |
| Victoria Amp Company | Detailed descriptions of the various models offered... |
| Line 6 | Digital guitar amps and equipment.... |
| Demeter Amplification | Products listed by category and includes: pro audio... |
| Eden Electronics | Bass amplification products.... |
| Webb Amps | Custom products hand built in Antioch, California. ... |
| Trance Audio, Inc. | Amplification systems for acoustic guitar. Product ... |
| Plexi Palace | Vintage guitar amplifier sales and service. Apple V... |
| Soldano Custom Amplification | Information regarding reverbs, heads, preamps, and ... |
| Rivera Amplifiers | Details and product specifications on all-tube ampl... |
| Matamp Amplifiers | Green Amps: tube and valve amplifiers from the orig... |
| Euphonic Audio | High end bass cabinets and combo amps.... |
| Marshall Arts | User-maintained site including information on past ... |
| Quality Research Company | JamPak, a portable pocket amp, uses standard 9V bat... |
| Kustom | Guitar and bass amplifiers, as well as P.A. systems... |
| Roccaforte Amps | Custom, hand-built tube guitar amplifiers. EL34 tub... |
| Hughes and Kettner | Product specifications and detailed descriptions, a... |
| Mesa Boogie | Manufacturers located in Petaluma, California. Feat... |