Vox AC30 Top Boost Reissue (1993) - Preamp - Brilliant preset

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

The 1993 AC30 Top Boost Reissue preamp schematic covers the preamp section of Vox's early 1990s attempt to revive the classic Top Boost circuit. It documents the Brilliant channel preamp topology used in this transitional reissue production run.

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

Tags: british, el84, chime, class-a, top-boost, reissue.

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.