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 Research, 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
What actually fails in modern tube amps, from the bench: cold solder joints, botched previous repairs, over-diagnosed tubes, and why the filter-cap datasheet says you probably don't need a recap.
