The Dynaco Tube Audio Forum

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The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all Dynakitparts.com products


    12AU7 and the Dynaco FM-3

    denny9167
    denny9167
    denny9167


    Posts : 151
    Join date : 2011-05-09
    Age : 57
    Location : Texas
    • Post n°1

    12AU7 and the Dynaco FM-3 Empty 12AU7 and the Dynaco FM-3

    Post by denny9167 Fri Mar 23, 2012 5:27 pm

    Here lately I've been using a 12AU7 instead of the 12AX7 in the place of T72,and I've been impressed by the sound. Has anyone else tried this substitution?
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