Makers of handmade bass amps.

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

Information about distortion voicing, effects placement, and cranked-tube-amp tone at any volume.

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

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.

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

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.

Professional quality amps with sound clips and reviews.

Bass amplification products.

High end bass cabinets and combo amps.

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

Bass cabinets, heads, combos, and accessories.

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

Handmade tube guitar amps and kits.

Model and tech information, catalog, and dealers.

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

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.

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

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.

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

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

Digital guitar amps and equipment.

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.

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

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

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

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

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

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

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

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.

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

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.

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

Manufacturer of vacuum-tube guitar amplifiers.

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

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

Amplification systems for acoustic guitar. Product information; downloadable .pdf manuals.

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.

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