What tubes does the Ampeg Ac12 Amp use?

The Ampeg Ac12 Amp uses 2× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Ampeg Ac12 Amp produced?

The Ampeg Ac12 Amp was produced 1961–1965.

Ampeg Ac12 Amp preset

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

The AC-12 is a compact Ampeg guitar combo using 6V6 output tubes. The main channel delivers warm, slightly compressed vintage tone characteristic of 6V6-based American designs. The AC-12 represents the smaller end of Ampeg's 1960s guitar amp range, suitable for practice and small venue use.

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

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