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In Reply to: RE: Sub 12AT7 for 12AX7? posted by JSTRM on April 20, 2012 at 08:00:00:
i know that delivered from china some years ago in a special case the SAME small tube type was just labeled AS REQUIRED: 12AX7... AT7 or ...AU7! they did not care for electric paramters at all! very crative...
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- RE: Sub 12AT7 for 12AX7? - Nunki 04/20/1209:51:06 04/20/12 (0)