Fender Dual Showman Reverb Aa270 preset

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

The Dual Showman Reverb AA270 adds onboard spring reverb to the 100-watt Dual Showman platform. The combination of massive power and lush reverb made this a premier live performance amplifier during the late 1960s and early 1970s.

• 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.