Cornford Hellcat - Drive preset

Verified · 92/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Cornford Hellcat is a 40-watt two-channel boutique EL34 head. Hand-wired in the UK, it delivers warm, vintage-influenced tones with a Vintage and Modern channel. Cornford's short production run (2001–2011) makes these sought-after collector pieces.

• Years produced: 2001–2011
• Made in: UK
• Wattage: 40W
• Channels: 2
• Preamp tubes: 4× ECC83
• Power tubes: 2× EL34

Known for: John Squire, Richie Kotzen.

Tags: british, boutique, el34, two-channel, 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.