What tubes does the Fender Dual Showman Aa270 Lo use?

The Fender Dual Showman Aa270 Lo uses 4× 12AX7, 1× 12AT7 preamp tubes and 4× 6L6 power tubes.

When was the Fender Dual Showman Aa270 Lo produced?

The Fender Dual Showman Aa270 Lo was produced 1968–1972.

Fender Dual Showman Aa270 Lo preset

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

The Dual Showman Reverb AA270 is a silverface-era 100-watt head with onboard spring reverb added to the original Showman's high-powered platform. Running four 6L6 output tubes, it was designed for large stages and demanding players who needed Fender's clean articulation at concert volumes.

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.