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In Reply to: RE: What qualifies as a matched pair? posted by Japesgalore on May 11, 2008 at 01:29:09
At least to me, if the tubes are identical in construction, and they test identically on a true mutual transconductance tester, then they are a matched pair. I have never really paid any attention to date codes if the tubes are clearly identical in construction.
Rob"Let there be songs, to fill the air"
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