Cant explain the behavior Jim, but the tube was used extensively in 60s-70s TV sets and 2-way gear, more often the later 6GH8A example. Supposed to be a drop-in replacement for the 6U8, along with the 6EA8, IIRC.
Maybe a dirty switch contact in your tube tester or something has gone out of calibration between set and test? ~ Todd, KA1KAQ On Thu, May 15, 2008 at 5:27 PM, Jim Wilhite <[EMAIL PROTECTED]> wrote: > Is anyone familiar with this tube. It is a dual pentode/triode and I have > two of them. Both exhibit a bit of strange behavior in my tube checker, a > Western Electric KS-15650-L. > > When I set the checker for the pentode section the directions say to set the > bias for 1 volt. Then when I press the test button the bias jumps to 2.4 > volts. The triode section checks correct. > > Does anyone have experience with this tube and can tell me if this is > something particular to it? In all my born days, I have never seen anything > like this. I would consider it a short, but the short test does not > indicate thus. > > Jim/W5JO > ______________________________________________________________ > Our Main Website: http://www.amfone.net > AMRadio mailing list > Searchable Archives: http://www.mail-archive.com/[email protected]/ > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > To unsubscribe, send an email to [EMAIL PROTECTED] with > the word unsubscribe in the message body. > ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/[email protected]/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
