See also:

• Arts: Music: Instruments: Stringed: Guitar: Electric: Effects  (48)
• Arts: Music: Instruments: Stringed: Guitar: Manufacturers  (154)
• Business: Consumer Goods and Services: Electronics: Audio: Amplification  (162)
• Shopping: Music: Instruments: Stringed: Guitar  (291)

• Aguilar Amplifiers - Makers of handmade bass amps.
• Aiken Amplification - Manufacturer of tube guitar amps and attenuaters. In-depth technical database.
• Amp Tone - Information about distortion voicing, effects placement, and cranked-tube-amp tone at any volume.
• Cornford Amplification - UK maker of valve guitar amplifiers. Includes sound samples [requires Flash 5].
• 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.
• 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.
• Dr Z Amplifiers - Professional quality amps with sound clips and reviews.
• Eden Electronics - Bass amplification products.
• Electric Amp Innovations - Green Amps: tube amplifiers and speaker cabs for guitar and bass.
• Electrosonic Amplifiers - Builds custom all-tube guitar amplifiers. Information about products and services to musicians.
• Euphonic Audio - High end bass cabinets and combo amps.
• Gallien-Krueger - Bass cabinets, heads, combos, and accessories.
• Garnet Guitar Amplifiers - Facts, photos, specs and details of Garnet amps, as well as a serial number registry.
• Gerhart Amplification - Handmade tube guitar amps and kits.
• Hiwatt Amplification - Model and tech information, catalog, and dealers.
• Hoffman Amplifiers - Tube amp parts, tube amplifier building supplies, books/videos about tube amps.
• 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.
• Juke Amplification - Hand-built vacuum tube amps. Models, specifications, purchase information.
• 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.
• Kustom - Guitar and bass amplifiers, as well as P.A. systems, stage monitors, microphones, and speakers.
• Laney - UK manufacturer of guitar and bass amplifiers. [requires Flash]
• Line 6 - Digital guitar amps and equipment.
• L.R. Baggs - Manufacturer of advanced pickups and electronics for guitar and other stringed instruments. Includes product details, manuals, and reviews.
• Marshall Amplification - Product images and specifications, information on 'rock kits' as well as free instructional material and desktop themes. Also includes a player feedback section, handbooks for download, and an archive of past products.
• 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.
• Mesa Boogie - Manufacturers located in Petaluma, California. Features a tour through the construction process, a dealer list, and a new product release section.
• Metaltronix Amplifiers - Information on Metaltronix amplifiers including manuals, settings, schematics, history, ads, and message board.
• Naylor Amps - Product features and details pertaining to tone and response. Also contains speakers and padded covers, a distributor list, and contact information.
• Plexi Palace - Vintage guitar amplifier sales and service. Apple Valley, California.
• Pure Sixty-Four Guitar Amplifiers - Offering boutique guitar amplifiers including the "64" and the "Nitro".
• Rick-Tone - Parts, schematics, and technical information for Rick-Tone and other vacuum tube guitar amplifiers by Rick Campbell.
• Roccaforte Amps - Custom, hand-built tube guitar amplifiers. EL34 tubes, English transformes, turret board construction. Amp prototypes, repairs and modifications.
• Rockman - An enthusiast's appreciation of Rockman guitar gear.
• Rocktron - Manufacturer of amplification and effects technology; includes product details, dealer listing and technical support.
• Singlecoil.com - A library of do-it-yourself projects to modify stompboxes and effects, amps and guitars; includes a components shop.
• 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.
• Steve's Amp Revamps - Amplifier repairer and modifier's site based in Surrey, UK. Includes amp modification faq.
• Tone King Amplifier Company - Manufacturer of vacuum-tube guitar amplifiers.
• Torres Valve Amplifiers - Custom built tube amps, amplifier kits, and parts. Includes information on building and modding your amp.
• Trance Audio, Inc. - Amplification systems for acoustic guitar. Product information; downloadable .pdf manuals.
• Victoria Amp Company - Detailed descriptions of the various models offered as well as the components used. Also includes a dealers list by state and links to parts suppliers and reference material.
• Vox Amplification - Manufacturers of Vox Guitar Amplifiers and Effects Pedals. Valve state and digital guitar amps, online product registration, spare parts and official merchandise.
• Z.Vex Effects - Manufacturer of amplifiers and effects pedals; includes product details, manuals, sound samples and ordering instructions.