They look very similar to my Japanese Rodan GR-111Pa tubes though the Rodan's have clear marking on the back identifying them.
On Monday, January 19, 2026 at 7:26:41 AM UTC-5 Paul Andrews wrote: > The number of leads and layout (13 with a gap) matches ZM1175, you should > check the assignment against a datasheet. The Japanese CD66 has 12 leads > with no gap. > > On Monday, January 19, 2026 at 2:23:45 AM UTC-5 Bogdan Paduraru wrote: > >> The same structure is shared with the ZM117X series too , the tube seem >> to bi similar to ZM1175 but missing some internal components . >> Looks like I ve got something similar in my collection too >> Could be some preproduction samples made by Philips /Mullard ? >> >> On Sunday, January 18, 2026 at 8:40:15 PM UTC+2 Nicholas Stock wrote: >> >>> Looks like a Japanese style CD nixie due to the horizontal mesh wires... >>> maybe CD66A? >>> >>> https://www.nixies.us/bwg_gallery/cd66a/ >>> >>> Nick >>> >>> On Sun, Jan 18, 2026 at 10:17 AM 'Oskar' via neonixie-l < >>> [email protected]> wrote: >>> >>>> One says 280 and the other 387 >>>> >>>> bogdan paduraru schrieb am Sonntag, 18. Januar 2026 um 17:28:54 UTC+1: >>>> >>>>> Cool find Oskar >>>>> Seems that there is a number written on the back , both of them have >>>>> the same number? >>>>> >>>>> I doubt that any Chinese made nixie is near to the quality of these >>>>> >>>>> On 18 Jan 2026, at 18:25, Leroy Jones <[email protected]> wrote: >>>>> >>>>> Perhaps Chinese QS 18-12 ? >>>>> >>>>> >>>>> >>>>> On Sunday, January 18, 2026 at 10:43:48 AM UTC-5 Oskar wrote: >>>>> >>>>>> I recently acquired these two Nixie tubes. I was mostly interested in >>>>>> them because one had copper legs. Unfortunately, they are unmarked. They >>>>>> look almost identical to Mullard ZM1175s but the pinout and key >>>>>> orientation >>>>>> do not match. Does anyone recognize them? >>>>>> >>>>>> Thanks >>>>>> Oskar >>>>>> >>>>> -- >>>>> 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 [email protected]. >>>>> To view this discussion, visit >>>>> https://groups.google.com/d/msgid/neonixie-l/9050e697-e794-44a3-a1dc-a583d8fa1edfn%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/neonixie-l/9050e697-e794-44a3-a1dc-a583d8fa1edfn%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 [email protected]. >>>> >>> To view this discussion, visit >>>> https://groups.google.com/d/msgid/neonixie-l/69a21b33-62f7-44df-8b47-f490d63adf66n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/69a21b33-62f7-44df-8b47-f490d63adf66n%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 [email protected]. To view this discussion, visit https://groups.google.com/d/msgid/neonixie-l/fbab3578-6e90-42dd-9d42-fd35cdfb8b81n%40googlegroups.com.
