Fender Twin Reverb AA769 - Vibrato preset

Verified · 83/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Twin AA769 Lo DIY layout describes the silverface Twin AA769. At 100 watts through four 6L6 output tubes with two 12-inch speakers, spring reverb, and tremolo, it covers the early silverface Twin Reverb design.

• Years produced: 1969–1972
• Made in: USA
• Wattage: 100W
• Channels: 2
• Preamp tubes: 4× 12AX7, 1× 12AT7
• Power tubes: 4× 6L6

Tags: american, clean, silverface, high-wattage, reverb, 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.