I guess I just learned what makes a matched pair of tubes. A guy on fleabay has
two
4-250A tubes advertised as a matched pair. The ad says that only the filaments
have
been checked. I sent him/her an email asking how they were determined to be a
matched pair if only the filaments were checked. The reply was that they both
had
the same date code, and that is what makes them a matched pair. Amazing.
His/her
user name had the word audio in it.
---- Msg sent via CableONE.net MyMail - http://www.cableone.net
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