What tubes does the Ampeg G-15V Gemini V - Channel One use?

The Ampeg G-15V Gemini V - Channel One uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Ampeg G-15V Gemini V - Channel One produced?

The Ampeg G-15V Gemini V - Channel One was produced 1965–1969.

Ampeg G-15V Gemini V - Channel One preset

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

The G-15V Gemini V is a guitar combo from Ampeg's Gemini series with a 15-inch speaker. Channel One provides the standard input path into the warm 6L6 circuit. The Gemini V was one of several Gemini variants offering different speaker and power combinations for working guitarists of the mid-1960s.

Years produced: 1965–1969
Made in: USA
Wattage: 30W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

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.