Fender Bandmaster AA763 - Vibrato preset

Close · 72/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Bandmaster AA763 is the blackface Bandmaster head, built on the AB763 circuit family at 40 watts with two 6L6 output tubes. As a head-only design, it was typically paired with a matching Fender 2×12 or 1×15 cabinet for clean, articulate American tone.

• 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.

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.