Vox AC2 preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The AC2 is a small early-1960s JMI Vox combo. It uses an EF86 pentode preamp, a 12AX7 tremolo oscillator and a single-ended EL84 with an EZ80 rectifier, into an 8-inch speaker. It is the smallest member of the early Vox family and shares the EF86/EL84 character of its bigger siblings.

• Made in: UK
• Channels: 1
• Preamp tubes: 1× EF86, 1× 12AX7
• Power tubes: 1× EL84

Tags: british, vintage, el84, class-a, tremolo, low-wattage.

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.