Marshall 2060 preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Marshall JMP Mercury 2060 is a 5W practice amplifier from the JMP era, built around a simple EL84-powered circuit for home and studio use. Its low power output and compact chassis make it a rare and collectible piece of Marshall's smaller product history.

Tags: british, vintage, practice, low-watt.

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.