That's good to know. I'll try the offending tube in my Nixiechron to see
if the blue spot dares to show it's ugly face!
It can not appear there, since Jeff does not apply any Ucc.
The cathodes are switched from 170V to zero.
He uses real high voltage supertex drivers, no clamped drivers (like
74141 are, for example).
I hope you have not changed the circuitry, Jeff ;-)
Dieter
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