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In Reply to: RE: EF 86 penthode manufacturer?? posted by stereohifi on November 30, 2012 at 06:12:21:
hi there,
looks like a valvo or philips tube.
what´s the first letter or sign of the 2nd etched line? that first sign is the manufacturer´s code.
cheers!
N.
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- RE: EF 86 penthode manufacturer?? - Nunki 11/30/1209:47:52 11/30/12 (0)