Vox AC100/2 Amplifier - Jack A preset

Close · 76/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The AC100/2 Amplifier is a revised version of the original AC100, featuring dual-input jacks and the same KT88 power section. Used by The Beatles and other large-venue performers of the mid-1960s.

Known for: The Beatles.

Tags: british, kt88, vintage, historic, high-headroom.

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.