Field notes, comparisons, and real bench-tested research.
Four new posts a week on dating, identifying, maintaining, and understanding vintage Fender tube amps — built on the foundation of the original 1997–2000 Gagliano research and decades of community knowledge.
Fender Tone Master Deluxe Reverb: Modern Solid-State vs Tube Reality
The short answer: it’s a digitally modeled amplifier that replicates the blackface Fender Deluxe Reverb’s AA763/AB763 circuit using a 100-watt Class D output stage to simulate 22 watts of 6V6 tube behavior. It’s not a tube amp. At matched volume…
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Fender Super Reverb: The 4×10 Workhorse Explained
The iconic 1965 blackface Super Reverb, a 40-watt 4×10 combo that defined the reverb era. What Is the Fender Super Reverb? The Super Reverb is a two-channel, 40-watt…
Fender Blues Deluxe: The Hot Rod’s Earnest Older Cousin
The Fender Blues Deluxe is a clean-sheet 1990s design with no direct circuit lineage to the 5E3 tweed Deluxe or the AB763 blackface Deluxe Reverb. It’s a 40-watt,…
Fender Bassman: From ’59 Tweed Legend to Modern Reissues
The circuit code is 5F6-A. Four inputs, two channels, four Jensen P10Rs in a lacquered tweed cabinet. Forty-five watts from a pair of 5881s. That single design, finalized…
Fender Hot Rod Deluxe: Complete Guide to the Best-Selling Tube Combo
Most players assume the Hot Rod Deluxe is basically a blackface Deluxe Reverb with a gain channel bolted on. It isn’t. The PR246 circuit borrows the blackface tone…
Fender Amp Powers On but No Sound: Cold Tube, Bad Cable, or Worse
The pilot light is glowing. The tubes are warming up. The standby switch is flipped off. And there’s nothing, not a hiss, not a pop, not a single…
12AX7 Tubes: The Complete Buyer and Replacement Guide
Amplification factor 100. That single number explains why the 12AX7 shows up in the preamp section of almost every tube amp ever built. Whether it’s a blackface Fender,…