Marshall AVT100 - OD2 preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The AVT100 is a 100-watt hybrid combo from Marshall's AVT (Advanced Valvestate Technology) range. An op-amp preamp feeds a single ECC83 valve stage and a solid-state power amp. It has three channels (Clean, OD1 and OD2), with master presence and volume, digital effects and an effects loop.

Tags: british, hybrid, crunch, high-gain, high-wattage, multi-channel.

Schematic-derived preset files for the Neural DSP Quad Cortex and 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.