Fender Dual Showman Aa769 preset

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

The Dual Showman AA769 is a high-powered silverface-era Fender head designed for bass players and guitarists requiring enormous clean headroom and projection on large stages. Running 85 watts from four 6L6 output tubes, the AA769 produces the massive, clean American voice associated with Fender's pro-line heads. Its two-channel design — Normal and Vibrato — mirrors the blackface topology while the AA769 circuit revisions bring it into the early silverface production period. Often paired with two 15-inch speaker cabinets, the Dual Showman became a staple of rock and country touring rigs in the late 1960s and 1970s.

• Years produced: 1969–1979
• Made in: USA
• Wattage: 85W
• Channels: 2
• Preamp tubes: 3× 12AX7
• Power tubes: 4× 6L6GC

Known for: Jerry Garcia.

Tags: american, clean.

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.