What tubes does the Fender Twin Aa769 Lo use?

The Fender Twin Aa769 Lo uses 4× 12AX7, 1× 12AT7 preamp tubes and 4× 6L6 power tubes.

When was the Fender Twin Aa769 Lo produced?

The Fender Twin Aa769 Lo was produced 1969–1972.

Fender Twin Aa769 Lo preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

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.