Amplifiers
- Bludotone
- Bogner Amplification
- Budda Amplification
- Carr Amplifiers
- Divided by 13
- Dr. Z Amplification
- Fuchs Audio Technology
- Headstrong Amps
- Henriksen Amplifiers
- HIWATT Amplification
- Indigo Amplification
- Mack Amps
- Matchless Amplifiers
- Mesa Boogie
- Milkman Sound
- Morgan Amplification
- Quilter Guitar Amplifiers
- Rivera Amplification
- Trinity Amps
- Two-Rock Amplifiers
- Victoria Amp Co.
- Vintage Sound Amps
- Vox Amplification Ltd.
Amplifier Kits / Mods
- Amplified Parts
- Billm Audio
- Fender amp mods
- Carl’s Custom Amps
- Fromel Electronics
- Guitar Amp Kits Directory
- Mojo Tone
Cabinets / Speakers
- Avatar Speakers
- Extension cabinets
- EarCandy Cabinets
- Eminence Speakers
- Tone guide
- Jensen Loudspeakers
- Mojo Tone
- Tone Tubby Speakers
- Warehouse Guitar Speakers
- Weber Speakers / Cabinets
Effects / Accessories
- Analog Man
- Fulltone
- J. Rockett Audio Designs
- JHS Pedals
- Lehle Switchers
- Maxon
- Peterson Strobe Tuners
- Real McCoy Custom
- Geoffrey R. Teese
- Robert Keeley Engineering
- Sonic Research *
- Turbo Tuner
- Toneczar Pedals
- Voodoo Lab
Manufacturers
Miscellaneous
- Battle of the Ax Men: Who Really Built the First Electric Rock ‘n’ Roll Guitar?
- Buzz Feiten Tuning System
- Fender Amp Schematics
- How to adjust humbucker height for improved tone
- Gibson.com
- Guitar Electronics
- Wiring schematics
- Hamer Guitars: Friends of Seymour Duncan
- Hamer USA: date/serial number info
- Lakota Leathers
- Must-know amp first-aid
- Peter Green’s 1959 Les Paul tone
- Roger Linn Design
- Stewart MacDonald
- Guitar Shop Supply
- String Action Gauge
- Ten pickup tricks & tips
- Gibson.com
- Warmoth
- Custom guitar & bass parts
Miscellaneous: Fender
- Greasebucket Tone Circuit
- Greasebucket Wiring Harness
- Sigler Music
- Guitar Wiring: Super Switch, Part 1
- Seymour Duncan
- Hot Rod Deluxe Mods
- Hot Rod Deluxe: 12AT7 tube
- Last comment on p. 2
- How to find out when an American-made instrument was manufactured?
- Stratocaster Setup Guide
- Unofficial Hot Rod Deluxe Owner’s Guide
Pickups / Hardware
- Callaham Guitars
- Replacement parts
- Japanese Guitar Parts
- JBE Pickups
- Joe Barden
- Klein Pickups
- KTS
- Titanium hardware
- Lindy Fralin Pickups
- Pro Audio Land
- Seymour Duncan
- TonePros
- Wilde Pickups
- Bill Lawrence
Retailers
- Archtop.com
- Chicago Music Exchange
- Corson Music
- Cream City Music
- Distinctive Guitar
- Eddie's Guitars
- Elderly Instruments
- Guitar Gallery
- Guitars ‘n Jazz
- Humbucker Music
- Music Toyz
- Reverb
- Sam Ash
- Sweetwater
- The Upper Bout
- Wildwood Guitars
- Willie’s Guitars
- Wolfe Guitars
Strings
Vacuum Tubes
- Antique Electronic Supply
- www.tubesandmore.com
- Eurotubes.com
- Tube Depot
- The Tube Store