Choosing a Guitar Speaker by the Numbers
How to read a guitar speaker's real specs — sensitivity, power handling, resonant frequency — and why sensitivity matters more than most players think.
Tech pages · Speakers & Cabs
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.
4 articles
Output Transformers and Impedance Matching Explained
How an output transformer matches high plate impedance to a low speaker load, why a mismatch or open circuit is dangerous, and what 'minimum load' protects.
Why Reactive Loads Sound Different From Real Cabinets
How speaker impedance becomes frequency response through amp output impedance, why reactive loads don't feel like a cab, and the IR double-count trap.
The Ultimate Hot Rod Deluxe Mod
Fix the Hot Rod Deluxe's PCB-cooking dropping resistors, then rework the power amp and preamp for a blackface-style feel and usable drive channels.
