What tubes does the Ampeg R-12A Reverb Rocket - Normal use?

The Ampeg R-12A Reverb Rocket - Normal uses 3× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Ampeg R-12A Reverb Rocket - Normal produced?

The Ampeg R-12A Reverb Rocket - Normal was produced 1961–1965.

Ampeg R-12A Reverb Rocket - Normal preset

Verified · 82/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The R-12A Reverb Rocket is an early variant of the Reverberocket series with minor circuit distinctions from the standard R-12-R. The Normal channel delivers warm 6V6 tone with built-in spring reverb. The A suffix denotes a specific production variant, potentially with a different output transformer or bias configuration.

Years produced: 1961–1965
Made in: USA
Wattage: 15W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6V6

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.