The subject IN-18 in my Nixichron has degraded now to where only the top 1/4 of the digits are lighting.
Does anyone have a well-weathered IN-18 for sale? I prefer not to install a new tube. Terry On Wednesday, January 22, 2014 7:19:07 AM UTC-6, Terry S wrote: > One of the IN-18s in my Nixichron has started to fail. I don't know if > it's cathode poisoning or some other failure mode. > > In the 10's hours position, several of the digits are not lighting > completely, they are dark toward the bottom of the tube, probably the > bottom 1/3 of the numeral. > > This happened rather suddenly, or at least I only noticed it recently. The > "1" digit is fine, and that's what is lit most of the time. The other > digits only come into play during display of the GPS coordinates every 1/4 > hour. As they scroll across the clock, I can see the bad digits. > > Has anyone seen this particulat failure mode in an IN-18? Bottom of some > digits failing to glow? > > I do have a couple spare tubes, but they have no hours on them. I'll try > one to be certain it's just the tube. But I'd actually like to find a used > tube, something with several years worth of use on it, so the brightness > will be a better match. > > Terry > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/8c7dd0aa-3bf6-469d-a798-737dee827c60%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
