What tubes does the Gibson Reverb12 use?

The Gibson Reverb12 uses 2× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Gibson Reverb12 produced?

The Gibson Reverb12 was produced 1963–1967.

Gibson Reverb12 preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Gibson Reverb 12 is a dedicated reverb combo from the 1960s, built around a 12-inch speaker with spring reverb as the central feature. Two 6V6 output tubes deliver warm, clean American tones at a practical volume level for small venues and studio recording. The reverb circuit is smooth and well-integrated into the overall circuit design. As a named-after-its-feature amp, the Reverb 12 was aimed at players who wanted onboard reverb as a priority in a compact, affordable package.

Years produced: 1963–1967
Made in: USA
Wattage: 14W
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× 6V6

Tags: american, clean, 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.