Orange Hustler 125 MkIII preset

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

The Orange Hustler 125 Mk III is a high-powered 125-watt British amp from the mid-1970s. Built around four EL34s, it shares the Graphic MK II bloodline and delivers the thick, harmonically rich Orange character of the era.

Tags: british, vintage, high-wattage, 1970s.

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.