Jennings Musical Industries AC15 - Channel II Tremolo preset

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

The Jennings Musical Industries AC/15 was an early Vox-branded design produced before the more famous AC15 was standardized. Built in Dartford, England, it delivered the chimey EL84-driven tone that would define British pop and rock. A rare and historically significant amplifier from the era that launched the British Invasion.

• Years produced: 1959–1962
• Made in: UK
• Wattage: 15W
• Channels: 2
• Preamp tubes: 3× ECC83
• Power tubes: 2× EL84

Tags: british, vintage, clean.

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.