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#11
06-12-2018, 02:25 PM
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Well, I went back out with my B&K 466 tester and
 . The tube went into the Green right away (about 56 on the "5" scale) just above the Red+Green scale. After about 10 minutes, it came up to the start of the "G" (about 60 on the "5" scale). I will let it run a little longer when i get a chance. I just had to know that the tube was ok. Also, it is actually a 12LP4A, not just a 12LP4, FWIW. The tube is also a Marconi (painted on the underneath of the Bakelite). I hadn't seen that before.Tony 
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