Rating: 5.0/5 (1 vote cast)
I have a vacuum tube tester, mine is newer than that, but it actually works, and I use it. Mine is an EICO, if you get one to use, make sure it can test mutual transconductance, otherwise find a really cheap one for looks.
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2011-11-18
I have a vacuum tube tester, mine is newer than that, but it actually works, and I use it. Mine is an EICO, if you get one to use, make sure it can test mutual transconductance, otherwise find a really cheap one for looks.
2012-02-02
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