The TCguitar blog

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.

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Fender Hot Rod DeVille 212 IV combo amplifier black tolex front view
Amp Models

Fender Hot Rod DeVille: The Bigger Brother to the Hot Rod Deluxe

The Hot Rod DeVille sits at the top of Fender’s Hot Rod series, delivering more headroom, more speaker coverage, and more stage volume than its smaller sibling. Where…

June 7, 2026 · 20 min read
Fender Pro Reverb blackface 2x12 tube amplifier vintage catalog illustration
Amp Models

Fender Pro Reverb: The Sleeper Blackface 2×12

The model ran from 1964 through 1981, covering three distinct circuit revisions: the AA165 blackface, the AB668 late blackface, and the AA1069 silverface. A reissue under the ’68…

June 6, 2026 · 19 min read
Fender Vibrolux Reverb blackface combo amp 1966 vintage
Amp Models

Fender Vibrolux: The Middle Child of the Blackface Lineup

You’re standing at rehearsal, staring down a room that’s too loud for a Deluxe Reverb to cut through but too small to justify hauling a Twin Reverb up…

June 2, 2026 · 18 min read
Fender Tone Master Deluxe Reverb black tolex combo amplifier front view
Amp Models

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…

May 29, 2026 · 20 min read
1965 Fender Super Reverb blackface combo amplifier 4x10 speakers
Amp Models

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…

May 26, 2026 · 22 min read
Fender Blues Deluxe control panel layout with knob functions labeled
Amp Models

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,…

May 22, 2026 · 21 min read
fender bassman 5f6-a 1959 narrow-panel tweed 4x10 combo amplifier
Amp Models

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…

May 21, 2026 · 23 min read
Fender Hot Rod Deluxe IV 40-watt tube combo amplifier black vinyl
Amp Models

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…

May 15, 2026 · 22 min read
fender tube amplifier front panel controls and indicators
Troubleshooting

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…

May 14, 2026 · 15 min read
12AX7 dual triode preamp tube noval B9A socket vintage catalog illustration
Tubes

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,…

May 13, 2026 · 12 min read