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Ampeg’s Gemini II was introduced in 1965. With almost 10 more watts of output and a 15 inch speaker it represented a more powerful alternative to the Gemini I. Like its smaller sibling, the Gemini II is a two channel amp with separate bass and treble controls and the added “Ultra High” and “Repeat Percussion” effects. It is well suited for warm, clean jazz tones and works best with humbucking pickups. The Gemini II remained in Ampeg’s catalog until 1968 when it was superseded by the GV-15 Gemini 15. The amp shown here has a factory optional JBL speaker denoted by the “L” suffix in the model number. Ampeg offered upgraded speakers at additional cost from c. 1963-71 (JBL) and c. 1965-79 (Altec).


Power Amp:  Tube; 2 x 7868, 30 watts RMS @ 8 ohms

Preamp:  Tube; 3 x 12AX7, 1 x 7199, 1 x 6CG7

Rectifier:  Solid state

Speakers:  1 x 15" JBL D130F

Channels:  2; 2 inputs per channel (Guitar, Accordion)

Effects:  Tremolo, reverb

Controls:  Bass, treble, volume; tremolo intensity and depth, reverb intensity, foot switch for tremolo and reverb

Dimensions:  26 H x 25 W x 11 1/2 D inches

Weight:  60 lb.

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