[time-nuts] determining tube life on an hp 5071a

[David Welch]

----- Original Message ----- >
> >
> Hello.I was wondering if any of you guy know a quick easy way to eval tube
condition on a 5071a ,these are several years of disuse on these units and I
was thinkng of purchsahing a few .does time to lock have anything to do with
tube health or are there other factors during warm up that I should look
at....Thanks..David
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