My B-6091 Nixie clock

[Thomas Kummer]

[Jeff Walton]

A novel use of the Spectrum 1040 clock!  Nice job! 

Jeff

-------- Original message --------

From: Thomas Kummer <tmkumm...@gmail.com>

Date: 8/23/18 9:26 PM (GMT-06:00)

To: neonixie-l <neoni...@googlegroups.com>

Subject: [neonixie-l] My B-6091 Nixie clock

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[Thomas Kummer]

Thanks! I was really wanting something bigger than 15.5mm with a true digit 5, and B-6091's were really all I could afford, and I also wanted something with RGB back lighting. So, the Spectrum 1040 with a differently flashed PIC was what I went with.

[Joe Croft]

Very nice Thomas!

-joe

On Thursday, August 23, 2018 9:26:46 PM CDT Thomas Kummer wrote:
>

[threeneurons]

Nice job. A few years ago I made my own 6 digit nixie clock with B6091s

Good tubes, when you can find em !

[Thomas Kummer]

Now that's an impressive clock!! and I agree the B6091s are lovely tubes.

[Nicholas Stock]

Speaking of B6091's....I have a set of B6091's that refuse to illuminate on digits 5 and 9 but cleanly illuminate on all other digits...there are occasional flashes on the 5 and 9 when running a rotating sequence of all digits at about 180V....are these tubes particularly finicky after prolonged storage?

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[gregebert]

On Thursday, August 30, 2018 at 11:41:20 AM UTC-7, Pramanicin wrote:

Speaking of B6091's....I have a set of B6091's that refuse to illuminate on digits 5 and 9 but cleanly illuminate on all other digits...there are occasional flashes on the 5 and 9 when running a rotating sequence of all digits at about 180V....are these tubes particularly finicky after prolonged storage?

I have about 30 of these, and none showed any flaky behavior. But I do think the 6091 is not as reliable as it's smaller predecessor, the 5092. So far I've had two 6091 tubes fail in my big clock in the past 5+ years, and zero failures with 5092's

One developed an internal short, and the other has severe discoloration, presumably from sputtering.