Fender amp schematics - Watts Tube Audio | DIY guitar amp Vintage And Reproduction Guitar Amplifier Parts Since 2004. Amp layouts. Fender amplifier layouts; Marshall layout diagrams; Valve Jr Layout diagrams; Matchless guitar amp layouts; Amp schematics. Ampeg amp schematics; Fender amp schematics; Supro amp schematics; your username? Create an account . Fender schematic library Free for all to Fender Amp Schematics - wwwubestore FENDER AMP SCHEMATICS. Do you have a Fender guitar or bass tube amp that needs repair or modifications? Here you will find our collection of Fender schematics.