Thank you David Sounds correct , especially that they seems to be produced also in Japan as per Johnathan' s site
https://www.swissnixie.com/tubes/NL1222/ On Wednesday, January 26, 2022 at 3:27:54 PM UTC+2 nixiebunny wrote: > I don't know much about that tube, but the similar 5870 series uses the > letter suffix to describe the pins and spacer plastic. > > On Wed, Jan 26, 2022, 6:19 AM 'Bogdan Paduraru' via neonixie-l < > neoni...@googlegroups.com> wrote: > >> Dear friends , >> >> Does any one of you knows the difference between these 2 tubes ? >> NL1222S and NL1222B >> >> -- >> 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+...@googlegroups.com. >> To view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/bcfdd003-3423-487f-9fda-e95d5b04fb52n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/neonixie-l/bcfdd003-3423-487f-9fda-e95d5b04fb52n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/8cd04e66-82b1-484f-9411-abd854eb2db6n%40googlegroups.com.
