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In Reply to: Yes. posted by Alpha Al on July 12, 2012 at 06:59:46:
i have seen hundreds of TFK 12AX7 and none of them without diamond <> . but i own a couple TFK 12AT7/ECC81 that miss this print and are TKFs nevertheless as some experts say. seem to be very early pieces. i am afraid this info won´t really help...
N.
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Follow Ups
- RE: Yes. - Nunki 07/12/1208:54:11 07/12/12 (0)