If it was my clock, I would just enjoy it as it is. From your earlier postings, it has a lot of nice features. Mine are just clocks; no alarm, no remote-control, and in some cases no battery-backup so I envy what you have. There isn't any fire or safety risk from the leaky digits in my opinion. Hard to guess if it will adversely affect the life of the tube.
I did do a few quick experiments on a few tubes with a single connection, and the glow is definitely related to the leakage-path. When I used a NON-isolated 325VAC supply, I could get a dim glow. When I made the supply isolated, it got even dimmer. Changing to 5,000 vac didn't make a huge difference. Maybe it's a corona discharge as contrasted to a full-on discharge when a lot more current is available. -- 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/b5ed7417-5a15-4df1-a766-ee1f6029f7d0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.