Hi, look here: http://www.evilmadscientist.com/2007/nixie-tube-take-apart/
it is explained in comments.. Dalibor 2012/6/19 jb-electronics <[email protected]> > Yes, it is a usual auxiliary anode construction, you find it in a lot of > +- tubes as well. > > Jens > > Oh nevermind, there is a connection at the top with the anode grid! > > On Tuesday, June 19, 2012 5:54:03 PM UTC+1, kay486 wrote: >> >> Ok, so the tube just arrived, everything seems just fine, but i havent >> got the time to fire it yet. The thing is i have noticed a really strange >> thing - there is an extra cathode wich is *upside down* number eight in >> the middle, in between two and five. It looks like its not connected to any >> pin. Does anybody know why its there?my guess would be it acts like a >> spacer, but why? >> >> On Wednesday, June 6, 2012 7:22:26 PM UTC+1, kay486 wrote: >>> >>> Hi there, i just bought one Z5680M tube pretty cheap and now im waiting >>> for it to arrive. The thing is that it has dark corners on the anode grid. >>> So im bit worried that it might not function. Does anybody know what could >>> be the problem, and if it affects the tubes function? (see the picture) >>> >> -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To view this discussion on the web, visit > https://groups.google.com/d/msg/neonixie-l/-/GlaEsiUhzkUJ. > To post to this group, send an email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/neonixie-l?hl=en-GB. > > > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/neonixie-l?hl=en-GB. > -- Dalibor Farny http://dalibor.farny.cz -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
