I almost hate to look at nixie tube prices on ebay anymore, it always
makes me wince. Are IN-14's really almost $8/each NOS nowadays? Maybe
I'll stop building clocks and just set aside all the tubes I have as my
retirement plan.
With that said, I would probably avoid used tubes, especially of the
"already on a sketchy PCB" variety. This is your first clock, you'll
want the tubes to be in good shape and you'll want to know that they
work. I see an auction for 4x NOS IN-14's at $29, I think that's where I
would start. You don't have to have seconds on your clock (to start
with?) or you could go with a pair of IN-16's or IN-17's for the
seconds. I know that IN-17's are still cheap, IN-16's might be
skyrocketing as well.
The side-view tubes seem to go up in price much much faster / higher
than the end-view tubes. I assume that this is because they look like a
"vacuum tube" and people like the aesthetic. If I was going to build a
nixie clock on a serious budget, as you are, I'd head straight for the
NOS IN-12's. However, also remember that the nixies will probably be the
most expensive portion of your clock, so budget accordingly.
You mention that you would like to build a clock that also has a
temperature sensor, that is very doable. Do you have any microcontroller
experience? Were you planning to design this clock or hoping to build it
from a kit?
-Adam
On 9/29/2011 9:41 AM, mike wrote:
john
em I reading this right
1 (one) PCB with :
5 pieces Z574M tubes
+
3 or 4 piece SN7s4141N OR MH74141 OR KD155ID1 (soviet clone of 74141)
ICs per bid!
5 Z574M
+
3 or 4 other tubes
for a total of 8 or 9 nixie tubes for $33
http://www.ebay.com/itm/300598781886?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
thanks
mike
On Sep 29, 7:50 am, John Rehwinkel<[email protected]> wrote:
is this a good buy? I would like to have the side view tubes but
http://www.ebay.com/itm/10x-IN-12B-IN-15A-IN-15B-NIXIE-TUBES-PCB-Sock...
I'd be leery of those "pot luck" auctions. You might get 9 IN-15B tubes, which
don't display numerals. I'm fond of 'em,
because they're different, and it would make an interesting clock, but you'd have to remember that
"Hz" meant "4" and
Ω meant "7" or whatever if you wanted to read it.
- John KG4L
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