Looking for SB-650 nixie tube

[Bob/WB0AUQ]

Tsunehiro Doiuchi wrote:
>
> Hello.
>
> I am going to buy SB-650. It has a disfunctional nixie tube.
> I want to repair it and need a nixie tube.

Have you substituted the SN7441 decoder-driver chip as a test to
prove the nixie is indeed bad?  My unit came to me with the advice
that a nixie was bad but replacing the corresponding chip fixed it.
Good luck.

Bob/WB0AUQ/brainbol at lawrence.ks.us