Choosing a Guitar Speaker by the Numbers
How to read a guitar speaker's actual specifications — 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 a tube amp's output transformer matches high plate impedance to a low speaker impedance, why a mismatch or an open circuit is dangerous, and how solid-state minimum-load ratings differ.
Why Reactive Loads Sound Different From Real Cabinets
How speaker impedance turns into frequency response through your amp's output impedance, why reactive loads still don't feel like a real cab, and the IR double-counting 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.
