RE: [neonixie-l] 8971/7971 tube, strange failure mode

2019-03-24 Thread Jeff Walton
[mailto:neonixie-l@googlegroups.com] On Behalf Of Kevin A. Sent: Sunday, March 24, 2019 2:01 PM To: neonixie-l@googlegroups.com Subject: Re: [neonixie-l] 8971/7971 tube, strange failure mode I'll have him try that next. Should be easy to do since the software provides a segment test routine

Re: [neonixie-l] 8971/7971 tube, strange failure mode

2019-03-24 Thread Kevin A.
I'll have him try that next. Should be easy to do since the software provides a segment test routine. On Sun, Mar 24, 2019, 2:55 PM Thomas Kummer wrote: > Does it do it when a particular cathode, or number is attempted to be lit? > > Sent from my iPhone > > On Mar 24, 2019, at 14:48, Kevin A.

Re: [neonixie-l] 8971/7971 tube, strange failure mode

2019-03-24 Thread Thomas Kummer
Does it do it when a particular cathode, or number is attempted to be lit? Sent from my iPhone > On Mar 24, 2019, at 14:48, Kevin A. wrote: > > Yup, the same tube does the same thing when in a different position. > >> On Sun, Mar 24, 2019, 2:34 PM Nicholas Stock wrote: >> If you move the

Re: [neonixie-l] 8971/7971 tube, strange failure mode

2019-03-24 Thread Kevin A.
Yup, the same tube does the same thing when in a different position. On Sun, Mar 24, 2019, 2:34 PM Nicholas Stock wrote: > If you move the tube to a different position does it do the same thing? > > Sent from my iPhone > > On Mar 24, 2019, at 10:44, Kevin A. wrote: > > Here is a picture of the

Re: [neonixie-l] 8971/7971 tube, strange failure mode

2019-03-24 Thread Nicholas Stock
If you move the tube to a different position does it do the same thing? Sent from my iPhone > On Mar 24, 2019, at 10:44, Kevin A. wrote: > > Here is a picture of the tube when it experiences failure. > >> On Sun, Mar 24, 2019, 1:43 PM Kevin A. wrote: >> Hi guys, >> >> I've got a friend who

[neonixie-l] 8971/7971 tube, strange failure mode

2019-03-24 Thread Kevin A.
Hi guys, I've got a friend who has an 8971 clock. When the clock is first powered on, the tubes work fine. 10 seconds into running, the last tube (in position 6) starts fizzling out. However, when you turn the clock off and on again, the one tube repeats the same failure mode after 10 seconds