SJB ANT Head Preamp preset

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

SJB's ANT (Reverb Head) is a boutique tube amplifier preamp design featuring onboard spring reverb. The circuit is designed for players seeking vintage-inspired tube tone with spatial depth added by the integrated reverb circuit.

Tags: vintage, crunch.

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.