HEATKEYS

Prowess Amplifiers offers resources for the guitar tube amplifier builder. We have a huge schematics inventory, projects section and forum.

A community dedicated to helping everyone learn the art of audio. Projects by fanatics, for fanatics!

Black Magic Amplifers offer repairs, modifification and custom design of musical instrument amplifiers

Comprehensive guitarist and musician discussion forum covering vintage amps, modern amps, guitars, recording gear, drums, bass, and more.

Exploring vintage guitar jewels from the analog era on a budget. Articles, reviews, videos, projects, demos and tear-downs. Acoustics, electrics, amps, and effects and gear from the 60?s, 70?s and 80?s

This is a discussion forum about building , modifying and maintaing musical electronic devices such as guitar amps and effects.

GroupDIY - Index

The premier online community for bass players. Bass guitar and double bass forums, gear reviews, and more.

Free schematic download, electronic schematics, amplifier schematic diagrams, circuit diagrams, amp schematics, wiring electronics diagram schematics, guitar wiring diagrams, tube amp wiring, amplifier schematics free download schematics

Presenting guitar amplifier and electric keyboard repair stories from Richard Diemer Amp and Keyboard repair in Studio City, California. Close-up disassembly photos give a detailed view of the insides of both modern and vintage electronic musical i...