What tubes does the Fender Ab763 use?

The Fender Ab763 uses 4× 12AX7, 1× 12AT7 preamp tubes and 2× 6L6 power tubes.

When was the Fender Ab763 produced?

The Fender Ab763 was produced 1963–1967.

Fender Ab763 preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The AB763 designation refers to one of Fender's most celebrated circuit revisions, forming the basis for many blackface era amps including the Deluxe Reverb, Super Reverb, and Pro Reverb. Its fixed-bias topology, carefully tuned tone stack, and responsive preamp chain define the blackface sound.

Years produced: 1963–1967
Made in: USA
Wattage: 40W
Channels: 2
Preamp tubes: 4× 12AX7, 1× 12AT7
Power tubes: 2× 6L6

Tags: american, clean, blackface, vintage.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.