What tubes does the Marshall 2002 use?

The Marshall 2002 uses 4× ECC83 preamp tubes and 2× EL34 power tubes.

When was the Marshall 2002 produced?

The Marshall 2002 was produced 1976–1981.

Marshall 2002 preset

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

The Marshall JMP Master PA 2002 is a 50W PA amplifier head from the JMP era, featuring a master volume control and multiple inputs for PA applications. Like other Marshall PA designs, it was occasionally used as a guitar amplifier by players seeking its clean, transparent headroom.

Years produced: 1976–1981
Made in: UK
Wattage: 50W
Channels: 4
Preamp tubes: 4× ECC83
Power tubes: 2× EL34

Tags: british, vintage, pa, master-volume.

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.