Fender Showman Ab763 Lo preset

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

The Showman AB763 Lo DIY layout is a builder's reference for the blackface Showman, describing the 85-watt, dual-6L6 head used by Dick Dale and other professional players.

• Years produced: 1963–1967
• Made in: USA
• Wattage: 85W
• Channels: 2
• Preamp tubes: 4× 12AX7, 1× 12AT7
• Power tubes: 2× 6L6

Known for: Dick Dale.

Tags: american, clean, blackface, high-wattage, 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.