Ampeg GS-12 Reverb Rocket 2 (Model GS-12-R) - Normal preset

Verified · 83/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

Additional schematic for the Ampeg GS-12 Reverb Rocket 2 guitar combo. This variant of the Reverb Rocket series pairs a warm 6L6-powered tube circuit with built-in reverb in a compact 12-inch combo format. The Reverb Rocket series was among Ampeg's most popular guitar offerings of the 1960s, providing working guitarists with a practical, quality-built combo featuring the spring reverb that was stylistically essential for the music of the decade.

• Years produced: 1963–1967
• Made in: USA
• Wattage: 20W
• Channels: 2
• Preamp tubes: 3× 12AX7
• Power tubes: 2× 6L6

Tags: american, vintage, clean.

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.