If you have cathodes that deteriorate when sitting on the shelf, that implies
that there are contaminants in the gas mixture. That could either be left over
from the manufacturing process, or leaching out of other materials in the tube.
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The date is printed on the datasheets at the bottom left, on my SZ-3 it
says 16th of March 1967 and on the SZ-2 it says 30th of December 1968.
I have one with cathodes that I have tried to "wake up" but they quickly go
back to non working after some time without use, it looks like the cathodes
I haven’t inspected the base of the tube that closely yet, but the seller
claims that these are from 1968.
I’ll check if I can see a date code when I come home from work.
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Are there any date-codes ? Some of the Soviet-era tubes were produced until
around 1990, and I'm curious how long other nations were producing nixies
especially when a lot of western technology was embargoed during that time.
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I got lucky it seems. The ones I got all work well. No disconnected or touching
cathodes. Some digits on one of the nixies needed some time to “wake up” but it
works well now.
I agree that they are not very well made and the anode mesh is not very
discreet compared to other nixies.
The numbers a
can made it,but...they just prove they did it. :-(
发件人: neonixie-l@googlegroups.com 代表 严泽远
发送时间: 2018年3月11日 17:24
收件人: neonixie-l
主题: [neonixie-l] Re: Chinese nixies..
I know these tubes, sold from a Chinese local forum with price around 100RMB,
preproduction mo
Well, if you are a collector you might add one or two to your collection at
the current price, they don't come up that often, but the internal wiring
is easily damaged - and I suspect that the seller will soon become aware of
what I know of these Nixies and he might go down on the price! The few
Thanks for the additional color on these. I was debating on picking one up
as a novelty, but may hold off now based on your comments.
On Sun, Mar 11, 2018 at 3:44 PM, Dekatron42
wrote:
> I've bought a few of these and other similar types for just RMB 25 from
> China, the digit height is only 33
I've bought a few of these and other similar types for just RMB 25 from
China, the digit height is only 33mm, I had the datasheet translated by a
friend, it says so at the end of the datasheet and I can confirm it from
the tubes I have.
They are very fragile inside as the wires connecting the d
I agree on the pricing; it's not terrible. The only bummer is that they're
mercury free.
On Sun, Mar 11, 2018 at 2:43 PM, SWISSNIXIE - Jonathan F. <
jfrech...@gmail.com> wrote:
> These look nice, probably going to buy one. I would say the price is fair,
> if they are so rare. Compared to what pe
These look nice, probably going to buy one. I would say the price is fair, if
they are so rare. Compared to what people pay for German/USA/Japan Nixies >30mm
digits80$seems fair for a so rare tube. I wonder if the seller has more
tube types :)
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Not a bad markup for the seller then!
On Mar 11, 2018 1:24 PM, "严泽远" wrote:
> I know these tubes, sold from a Chinese local forum with price around
> 100RMB, preproduction model, the biggest top view nixie tube made in China,
> very rare.
>
> 在 2018年3月12日星期一 UTC+8上午1:19:02，Pramanicin写道：
>>
>> ht
I know these tubes, sold from a Chinese local forum with price around
100RMB, preproduction model, the biggest top view nixie tube made in China,
very rare.
在 2018年3月12日星期一 UTC+8上午1:19:02，Pramanicin写道：
>
>
> https://www.ebay.com/itm/NEW-1-PCS-SZ2-50MM-CHINA-NIXIE-TUBE-NOS-EXTREMELY-ANCIENT-BIG-A
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