What tubes does the Ampeg Rocket 12 use?

The Ampeg Rocket 12 uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Ampeg Rocket 12 produced?

The Ampeg Rocket 12 was produced 1964–1968.

Ampeg Rocket 12 preset

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

The Reverb Rocket R-22 is a larger-format Reverberocket with higher power output than the standard R-12-R. The Normal channel delivers clean 6L6 tone with Ampeg's characteristic spring reverb. The R-22 designation indicates a 22-watt version, sitting above the 15-watt models in the Reverberocket lineup.

Years produced: 1964–1968
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.