What tubes does the Marshall Jmp Mercury 5W 2060 use?

The Marshall Jmp Mercury 5W 2060 uses 1× ECC83 (12AX7) preamp tubes and 2× EL84 power tubes.

When was the Marshall Jmp Mercury 5W 2060 produced?

The Marshall Jmp Mercury 5W 2060 was produced 1966–1973.

Marshall Jmp Mercury 5W 2060 preset

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

The Marshall Mercury 2060 was a compact 5W practice amplifier that occupied the entry level of the JMP range. Powered by a pair of EL84 output valves rather than the EL34s found in Marshall's larger heads, the Mercury delivers a brighter, chimier character with a natural bite when pushed. At 5 watts it reaches full-power breakup at genuinely domestic volumes, making it an appealing option for home practice or small acoustic environments. The Mercury is a rarity today and represents an often-overlooked chapter of Marshall's more affordable product history.

Years produced: 1966–1973
Made in: UK
Wattage: 5W
Channels: 1
Preamp tubes: 1× ECC83 (12AX7)
Power tubes: 2× EL84

Tags: british, vintage, crunch.

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.