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  1. #2
    Suspended markw's Avatar
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    Dec 2001
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    Noo Joisey. Youse got a problem wit dat?
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    4,659
    I don't have the schematic of your amp, but I do have a 1959 copy of the RCA receiving tube manual.

    The 12au7 ia a miniature (9 pin) dual triode so it could indeed be in the signal path of both the right and left channels. It replaced the 6SN7, an octal (8 pin) tube of similar design.

    Example...
    Last edited by markw; 08-29-2011 at 01:13 PM.

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