What tubes does the Fender Pro Ab763 use?

The Fender Pro Ab763 uses 3× 12AX7, 1× 12AT7 preamp tubes and 2× 6L6 power tubes.

When was the Fender Pro Ab763 produced?

The Fender Pro Ab763 was produced 1963–1967.

Fender Pro Ab763 preset

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

The Pro AB763 is the AB763 revision of the blackface Pro Amp. The same 40-watt, dual-6L6, single-15 configuration provides warm, authoritative clean tones with the blackface era's signature scooped EQ character.

Years produced: 1963–1967
Made in: USA
Wattage: 40W
Channels: 2
Preamp tubes: 3× 12AX7, 1× 12AT7
Power tubes: 2× 6L6

Tags: american, clean, blackface, vintage, tremolo.

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.