Fender Princeton Reverb Aa1164 Lo preset

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

The Princeton Reverb AA1164 Lo is an alternate layout document for the blackface Princeton Reverb. The same 12-watt, dual-6V6 circuit with spring reverb and tremolo is described.

• Years produced: 1964–1967
• Made in: USA
• Wattage: 12W
• Channels: 1
• Preamp tubes: 3× 12AX7, 1× 12AT7
• Power tubes: 2× 6V6

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