What tubes does the Marshall Jmp Masterlead 30W 2199 use?

The Marshall Jmp Masterlead 30W 2199 uses 3× ECC83 (12AX7) preamp tubes and 2× EL34 power tubes.

When was the Marshall Jmp Masterlead 30W 2199 produced?

The Marshall Jmp Masterlead 30W 2199 was produced 1975–1981.

Marshall Jmp Masterlead 30W 2199 preset

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

The Marshall 2199 Master Lead 30W was part of Marshall's late-JMP push to offer master volume control for players who wanted cranked-amp tone at lower stage volumes. The 30W output rating with a pair of EL34s strikes a useful middle ground between bedroom practice and full band use, and the master volume allows the preamp to be driven hard while keeping overall volume in check. Its voicing leans toward the aggressive upper-mid push of the Super Lead family, making it a compact but fierce alternative to the full-power plexis of the same era.

Years produced: 1975–1981
Made in: UK
Wattage: 30W
Channels: 1
Preamp tubes: 3× ECC83 (12AX7)
Power tubes: 2× EL34

Tags: british, vintage, crunch, high-gain.

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.