What tubes does the Marshall 2001 375W use?

The Marshall 2001 375W uses solid-state preamp tubes and solid-state power tubes.

When was the Marshall 2001 375W produced?

The Marshall 2001 375W was produced 1967–1973.

Marshall 2001 375W preset

Close · 72/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Marshall Model 2001 is a 375W bass amplifier from the early JMP era, one of the most powerful production bass amplifiers of its time. Designed for large-venue professional bass use, its extraordinary power output made it a unique and rare piece of Marshall history.

Years produced: 1967–1973
Made in: UK
Wattage: 375W
Channels: 2
Preamp tubes: solid-state
Power tubes: solid-state

Tags: bass, high-power, vintage.

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.