Physical preamp tube order on a 1966 Gemini II.

Small combos like Mercury and Jet, Jess Oliver's fliptop Portaflex, the Gemini, Echotwin, B25, V4, VT22 up to the 300 watt SVT

Physical preamp tube order on a 1966 Gemini II.

Postby sleepingtiger on Wed Sep 13, 2017 7:41 am

Going from left to right, what is the preamp tube order? I know that if you want to get the best out of changing one preamp tube, it is usually best to change V1, but I don't know which 12AX7 it is on a Gemini II. Anybody know?

Tony
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Re: Physical preamp tube order on a 1966 Gemini II.

Postby sleepingtiger on Fri Sep 15, 2017 3:28 am

Nobody? Any suggestions on where else to ask?

Tony :o
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Re: Physical preamp tube order on a 1966 Gemini II.

Postby vintage-blue on Sat Sep 16, 2017 5:33 pm

My service manual from that era shows the tube lineup as follows (it's the same for the 6L6GC version as well):

Image
Image
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Re: Physical preamp tube order on a 1966 Gemini II.

Postby sleepingtiger on Sun Sep 17, 2017 7:50 am

Thanks, I guess I should have been clearer in my request. What I want to know is what tube in employed in what capacity in what channel? For instance, are both sides of V4 used for channel 1, 2, one side for each?

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