Aguilar Amplifiers
Makers of handmade bass amps.

Demeter Amplification
Products listed by category and includes: pro audio, guitar, bass, and accessories sections with detailed specifications and cabinet descriptions. Company history and contact information are also available as well as an artist list.

Crate Amps
Company background information and product overviews, as well as a dealer list, and a support section containing FAQs, and downloadable manuals. Also features a list of users and the gear they selected.

Dr Z Amplifiers
Professional quality amps with sound clips and reviews.

Eden Electronics
Bass amplification products.

Euphonic Audio
High end bass cabinets and combo amps.

Gallien-Krueger
Bass cabinets, heads, combos, and accessories.

Hoffman Amplifiers
Tube amp parts, tube amplifier building supplies, books/videos about tube amps.

Kustom
Guitar and bass amplifiers, as well as P.A. systems, stage monitors, microphones, and speakers.

Hughes and Kettner
Product specifications and detailed descriptions, as well as an image gallery. Also features an artist list, dealer information, and downloadable user manuals. Available in English and Dutch.

Marshall Amplification
Product images and specifications, information on 'rock kits' as well as free instructional material and desktop themes. Also contains a player feedback section, handbooks for download, and an archive of past products.

Mesa Boogie
Manufacturers located in Petaluma, California. Features a tour through the construction process, a dealer list, and a new product release section.

Naylor Amps
Product features and details pertaining to tone and response. Also contains speakers and padded covers, a distributor list, and contact information.

Rivera Amplifiers
Details and product specifications on all-tube amplifiers as well as cabinets, and accessories. Features user manuals, sound clips, and a news section, plus dealer listings, artist recommendations, and a message board and FAQ.

Soldano Custom Amplification
Information regarding reverbs, heads, preamps, and special effect equipment as well as a list of retails and famous users. Also features a FAQ section and contact information.

Quality Research Company
JamPak, a portable pocket amp, uses standard 9V battery and Walkman-type headphones. For practice and personal use.

Trace Elliot
Images, details, and specifications on various models. Also features a list of artist recommendations and a video clip.

Victoria Amp Company
Detailed descriptions of the various models offered as well as the components used. Also contains a dealers list by state and links to parts suppliers and reference material.

Webb Amps
Custom products hand built in Antioch, California. Contains background information on the shop, contact details, and a price list.

Matamp Amplifiers
Green Amps: tube and valve amplifiers from the original manufacturer of Orange Guitar and Bass amps.

Garnet Guitar Amplifiers
Facts, photos, specs and details of Garnet amps, as well as a serial number registry.

Plexi Palace
Vintage guitar amplifier sales and service. Apple Valley, California.

Tone King Amplifier Company
Manufacturer of vacuum-tube guitar amplifiers.

Roccaforte Amps
Custom, hand-built tube guitar amplifiers. EL34 tubes, English transformes, turret board construction. Amp prototypes, repairs and modifications.

Fliptops
Specializing in tubes, hardware, Tolex, grill cloth, speakers and books for the repair and restoration of all models of Ampeg amplifiers including Portaflex types.

Juke Amplification
Hand-built vacuum tube amps. Models, specifications, purchase information.

Amp Tone
Extensive collection of unattributed extracts about distortion voicing, effects placement and quiet cranked-tube-amp tone.

Trance Audio, Inc.
Amplification systems for acoustic guitar. Product information; downloadable .pdf manuals.

The POD from Line6
Guitar pre-amplifier that simulates different amps and cabinets with a range from clean to super-distorted.

Marshall Arts
User-maintained site including information on past and current Marshall amplifiers, speaker cabinets and accessories. User-submitted photos of Marshall equipment and FAQs.

Kendrick Amplifiers
Manufacturer of tube amps, guitars, and related accessories. Parts, repairs and restoration of vintage tube amps. Site features a demo room with MP3 clips, a company history section, and ordering information.

Line 6
Digital guitar amps and equipment.

Aiken Amplification
Manufacturer of tube guitar amps and attenuaters. In-depth technical database.

Gerhart Amplification
Handmade tube guitar amps and kits.

Torres Valve Amplifiers
Custom built tube amps, amplifier kits, and parts. Includes information on building and modding your amp.

Dave Hall
Custom and standard hand built valve guitar amplifiers manufactured using traditional methods.

Laney
UK manufacturer of guitar and bass amplifiers. [requires Flash]

Cornford Amplification
UK maker of valve guitar amplifiers. Includes sound samples [requires Flash 5].

Totally Humungus Productions
Maker of guitar pedals and preamps, including Scott's Crispy Cream Treble Booster.

K&Z Electronics
Manufacturer of bass guitar heads, fafner, combos, amplifiers, and cabs.

Metaltronix Amplifiers
Information on Metaltronix amplifiers including manuals, settings, schematics, history, ads, and message board.