Quote:
Originally Posted by jr_tech
"Well, I've learned that apparently you can't test a 1B3 tube's filaments with an ohmmeter"
Huh? I just went out to the shop and measures about a dozen of them ... all were right around 2 ohms, pin 2 to 7.
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I read somewhere else that it requires the 15KHz AC from the flyback to actually light the thing... so that's not the case? Well, that lends itself well to the problem being the actual tube then. It must have just been barely holding on and taking it out and putting it back in just did it in. Have purchased two more so should have them by end of week. Edit: found a guy not too far from here selling a lot of tubes for possible use as an "art installation" that includes two 1B3GT's... hope they're good! Gonna go pick them up tonight.
FK