XN12

The Hivac XN12 numicator is a medium-sized nixie tube. It is typical of Hivac tubes in that it has a gold-colored anode. No one seems to know why they have this color, but to me it looks like a chromate conversion coating.

Digit size 15.5mm
Min current(guess) 1.5mA
Max current (guess) 3.0mA

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