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Re: eBay item 1356110069 --Are these Philips? (nt)

Posted by steven oda on June 2, 2002 at 11:45:05:
Bob,
Look like Eindhoven made Mullard-designed xf2 EL34's. I believe that Tesla made some that looked like these tubes. Difference can be ID'ed---hole in centering pin (Eindhoven made) or no hole (Czech made).