What tubes does the Gibson Medalist Dual 6L6 Mercury use?

The Gibson Medalist Dual 6L6 Mercury uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Gibson Medalist Dual 6L6 Mercury produced?

The Gibson Medalist Dual 6L6 Mercury was produced 1963–1967.

Gibson Medalist Dual 6L6 Mercury preset

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

The Gibson Medalist Dual 6L6 Mercury is a mid-powered combo from the Medalist series, delivering around 25 watts through a pair of 6L6 output tubes. The Mercury name places it below the Titan in the Medalist power hierarchy. Warm, clean American tones with two-channel versatility characterize this amp, which was designed as a practical gigging tool for the working musician of the mid-1960s. Updated Medalist cosmetics distinguish it from earlier GA-series amps of similar specification.

Years produced: 1963–1967
Made in: USA
Wattage: 25W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

Tags: american, clean, 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.