This is interesting. I have seen more problems posted about IN-18 tubes in clocks than any other tube.
On Monday, May 7, 2018 at 6:39:25 AM UTC-4, Dalibor wrote: > > Hi, > > I spoke to a Vadim from VacuumGlow a year ago about IN-18. He does pretty > the same for his clocks - recovers NOS boxes with IN-18 from russian > warehouses and old factories. He told me he rejects 80% of NOS tubes > because of leaks or cathode poisoning. The remaining 20% which is used for > clocks works with minimal failure rate. If the seal doesnt fail in first 30 > years from manufacture, it will serve forever ;-) I guess the tubes on eBay > are selected similar way (russian seller picks NOS boxes, selects good > tubes and offers them on eBay), so if when you purchase tested IN-18s on > eBay, they will very likely work without issues. > Vadim from Pastindicator does the same with IN-14s and considers these > tubes very good in quality - over 90% of NOS tubes is good. But despite > this, he has boxes with thousands of duds ;-) > > Cheers, > > Dalibor > > > On Monday, 2 April 2018 18:41:58 UTC+2, Jeff Aylesworth wrote: >> >> Hi, >> Thanks for adding me to the group. >> >> I picked up a case of IN18 tubes at a garage sale in my area. I assembled >> the Nixie Tester Kit as sold by Marcin Saj to test them, but can only get >> one of 26 to work. His support in trying to see if my tubes were good has >> been nothing short of amazing. >> >> The tubes all appear to be new and unused and are pristine on the inside >> and in the original carton. Which I why I struggle with the fact that none >> of them seem work (save for 1). >> >> I am looking for someone in the Seattle area that has an IN18 clock or >> device and more electrical experience than to see if the tubes are any good. >> >> Thanks! >> Jeff >> > -- 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/ede1a387-94b8-43f7-a006-c7b654f5688b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
