What tubes does the Ampeg GS-12R Reverberocket 2 - Main use?

The Ampeg GS-12R Reverberocket 2 - Main uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Ampeg GS-12R Reverberocket 2 - Main produced?

The Ampeg GS-12R Reverberocket 2 - Main was produced 1966–1970.

Ampeg GS-12R Reverberocket 2 - Main preset

Verified · 86/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

DIY Guitar Archive schematic for the GS-12R Reverberocket 2, the spring-reverb-equipped version of the second-generation Rocket series. The warm 6L6 output stage combined with Ampeg's lush spring reverb made the Reverberocket 2 one of the brand's most beloved guitar combos of the late 1960s.

Years produced: 1966–1970
Made in: USA
Wattage: 22W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

Tags: guitar, american, vintage, low-wattage, reverb, 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.