What tubes does the Fender Twin Reverb Aa270 use?

The Fender Twin Reverb Aa270 uses 4× 12AX7, 1× 12AT7 preamp tubes and 4× 6L6 power tubes.

When was the Fender Twin Reverb Aa270 produced?

The Fender Twin Reverb Aa270 was produced 1968–1972.

Fender Twin Reverb Aa270 preset

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

The Twin Reverb AA270 is the first silverface Twin Reverb, updating the beloved blackface circuit with CBS cosmetics and the AA270 revision. At 100 watts through four 6L6 tubes with spring reverb and tremolo, it maintains the Twin's legendary clean headroom.

Years produced: 1968–1972
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.