What tubes does the Ampeg GV-22 Gemini - Channel 2 use?

The Ampeg GV-22 Gemini - Channel 2 uses 3× 12AX7 preamp tubes and 2× 7591A power tubes.

When was the Ampeg GV-22 Gemini - Channel 2 produced?

The Ampeg GV-22 Gemini - Channel 2 was produced 1965–1969.

Ampeg GV-22 Gemini - Channel 2 preset

Verified · 87/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The GV-22 Gemini is a guitar combo from Ampeg's classic Gemini series. Channel 1 provides a standard input path into the warm 7591A-based circuit. The Gemini naming reflects Ampeg's dual-channel design philosophy, and the GV-22 balances portability with the pleasing tonal complexity of 7591A output tubes.

Years produced: 1965–1969
Made in: USA
Wattage: 22W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 7591A

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

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