Mercury Mercury I and II preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Mercury I and Mercury II were guitar amplifiers produced during the 1960s, a period of enormous growth and competition in the amp market. Featuring multiple channels and tube circuitry typical of the era, these amps served working musicians during the beat and garage rock explosion. Mercury amplifiers are now curiosities for collectors interested in the diverse landscape of 1960s amp manufacturing.

• Years produced: 1960s
• Channels: 2

Tags: 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.