Vox AC30 Standard Issue (1990) - Normal preset

Verified · 87/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The 1990 Standard Issue AC30 represents the Rose-Morris era production amp, featuring the classic Normal channel configuration with the characteristic EL84 Class A power section. It is the transitional design between the original UK-made models and later production.

• Years produced: 1990–1993
• Made in: UK
• Wattage: 30W
• Channels: 2
• Preamp tubes: 3× ECC83
• Power tubes: 4× EL84

Tags: british, el84, chime, class-a, vintage.

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.