Tube Amp Repair and Service

Tube Amp FAQ

Tube Amp Debugging Page

A solid state replacement for the Fender Tremolo

How to design tube output transformers

Vintage AC Power

Carbon Comp Resistors - is the Mojo Factor real?

Amp Repair and Service Topics

Soft Power On Tester for Amps

DIY Bias Probe to make biasing output tubes in your amp a breeze

Transformer Short Tester  - transformer busted? Find out!

How to test a transformer

Star Grounding a tube amp

Point to Point vs. PCB amps - Better Tone????

Bulletproof your Thomas Vox SS amp

Building Repro Cabinets For Vox Amps

Making Repro-style Dust Covers for Vox Amps

Tidbits from an old textbook 

Converting old mono PA and Hifi amps to guitar use