Cornford Harlequin preset

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

The Cornford Harlequin is a compact 15-watt single-channel boutique combo with EL84 output tubes. Hand-wired with typical Cornford attention to detail, it delivers warm, Class A-influenced tones suitable for home and studio use.

Tags: british, boutique, el84, low-wattage, hand-wired.

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.