Reading an Amp Schematic
How to read a tube amp schematic from scratch: the symbols that cover almost every circuit, how to trace a signal path, and where the four supply nodes are.
Tech pages · Repair
The Bench, Written Down
Long-form write-ups of real repair and design work — measured, not guessed. Every article stands on its own; most come with the math and the schematic.
Searches titles, topics and the full text of every article.
2 articles
The Five Faults Behind Most Amp Repairs
The five most common tube-amp faults from the actual repair bench, what each one sounds like before it fully fails, and roughly how to tell them apart.