Effects / Amps
Duncan's Amp Pages
The New Tube Company--Guitar amplifier tubes, transformers and parts.
Digital Music Zone
Leper's Effects Schematics
Cold Springs Electrical Works - Vintage Tubes,Sprekers,Amps and Guitars
Vintage Sound: Main Page
Guitar-related Circuits
GEO - The Guitar Effects Oriented Web Page
Welcome to Line 6 Web Central!
Welcome to Roland U.S.
Welcome to Roland Groovezone
