HI!
Yes, Nick ;-)
I'm already in contact with Darin.
I would say:
IN-18 and Z5660M are both wonderful and perfect Nixie tubes.
I like the IN-18 more - these are the best ever made (in my opinion).
And they nearly last forever.
Yes, the older tubes before 1989 need a longer CP prevention. But they are also
very very very good.
I have some running for about 10 years in continuous operation, and they are
still bright as at the first day.
The reason is because they have sputtering windows. And the sputtering windows
of the 10 year old tubes are heavily mirrored already.
Unfortunately my stock of high datecode tubes runs out soon.....
All the best
Dieter
----- Original Message -----
From: Nicholas Stock
To: neonixie-l@googlegroups.com
Sent: Wednesday, June 04, 2014 9:54 PM
Subject: Re: [neonixie-l] IN-18 versus Z5660M Nixie Tubes
Yep, the IN-18's have date stamps. You'll probably pay a little more for
those that are date coded in the late 80's early nineties...I think the
'youngest' IN-18's I've seen is 1992 and the oldest 1974. Apart from the Hg
doping in the later date codes (no idea when that started), there's really no
difference that I can tell...others on this list (Dieter!) will know a lot more
about that...
There are some good kits out there for the larger tubes. PM me if you want
any recommendations.
Nick
On Wed, Jun 4, 2014 at 12:37 PM, Dman777 <darin.hens...@gmail.com> wrote:
I was going to buy a kit for sure, I don't have the tools or room(1 room
efficiency apt) to build one from scratch.
I spoke to this one guy and he said that he had more failures with the
IN-18 than the Z566, so that is why I asked question #3.
Also, this other person told me that IN-18 have date stamps on the back of
the tubes. Is this true? Seems like a good way to verify the date if I bought a
IN-18.
Thanks,
-Darin
On Wednesday, June 4, 2014 12:39:19 PM UTC-5, Pramanicin wrote:
Ooh...that'll open up some discussion.
Here's my 2 cents having built clocks with both of them.
The IN-18's are larger but not by too much and have more elongated
numerals. They are also a little cheaper than the Z5660M as far as I can see at
the moment, but still around 35 to 40 dollars a tube! The Z566/5660M are a
little rarer and some would argue that the digit shape is more aesthetically
pleasing. With regards to failure, I've had more issues with Z566's than
IN-18's but I don't think there's any significant difference between the two. I
think the datasheet for IN-18's says 5 or 10,000 hrs lifetime, but I've ran
tubes for a lot longer than that without any sign of degradation (make sure the
clock you use has some form of cathode poisoning prevention, digit cycling etc).
Were you buying a kit to put these in or building a clock from scratch?
Nick
On Wed, Jun 4, 2014 at 10:20 AM, Dman777 <darin....@gmail.com> wrote:
I am trying to decide between Z5660M and IN-18 tubes. I am new to all
this and I was wondering if I could get some opinions, please:
1) I see by the measurements the size difference isn't very
significant. Which are considered more attractive? And why?
2) Which are considered more rare/hard to find?
3) Are the Z5660M less prone to failure?
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