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--- In NEONIXIE-L@..., "Brian Stuckey" <brian@...> wrote:

I wonder if multiple manufacturers made interchangeable products
(or flat out knockoff)?

I assume the upper left circle is a getter. On the 8000 - I think
the two large circles are for physical support. They appear to be
attached to both pieces of glass. I have no idea how they would
construct something like that, but I'm not inclined to open it up to
find out :)

It is possible that there are very similar products by other makers, whether they were intended to be interchangeable or not.

The ring at the upper left is probably a giver; nixies and panaplexes very rarely have a getter. My NEO-8000s also have the support columns you mentioned.

A.J.

--- In NEONIXIE-L@..., "A.J." <a.j.franzman@...> wrote:

The ring at the upper left is probably a giver; nixies and panaplexes very rarely have a getter. My NEO-8000s also have the support columns you mentioned.

I just found more NEO-8000 looking display but this one has neither the support columns nor the little circle at the top left corner of the tube. The pins are a slightly different shape and there are no markings of any kind on the tube. Oddly, this one is transparent too. It is in pretty bad shape but I'll clean it up and post photos in the next day or so.

Brian

I just found more NEO-8000 looking display but this one has neither the support columns nor the little circle at the top left corner of the tube. The pins are a slightly different shape and there are no markings of any kind on the tube. Oddly, this one is transparent too. It is in pretty bad shape but I'll clean it up and post photos in the next day or so.

Here is the other NEO 8000 I have. This one is significantly different: translucent background, different internal configuration...and it is in really poor condition:

Photos:


Video:


I'll take better photos eventually....

Brian

--- In NEONIXIE-L@..., "Brian Stuckey" <brian@...> wrote:

I just found more NEO-8000 looking display but this one has neither the support columns nor the little circle at the top left corner of the tube. The pins are a slightly different shape and there are no markings of any kind on the tube. Oddly, this one is transparent too. It is in pretty bad shape but I'll clean it up and post photos in the next day or so.

Here is the other NEO 8000 I have. This one is significantly different: translucent background, different internal configuration...and it is in really poor condition:

Photos:


Video:

I just came across some old info in my files that Matsushita made equivalents of the NEO-5000 and NEO-8000, their part numbers S6135 (50 mm digit height) and S6136 (85 mm digit height) respectively. Perhaps this is what you have.

A.J.

I just came across some old info in my files that Matsushita made
equivalents of the NEO-5000 and NEO-8000, their part numbers S6135
(50 mm digit height) and S6136 (85 mm digit height) respectively.
Perhaps this is what you have.

I wish I knew how to tell them apart. None of them are marked very well but based on what I've read on this thread, it sounds probable that there were multiple manufacturers. Do you know of the Matsushita digits were also called NEO XXXX ?

Brian

--- In NEONIXIE-L@..., "Brian Stuckey" <brian@...> wrote:

I just came across some old info in my files that Matsushita made
equivalents of the NEO-5000 and NEO-8000, their part numbers S6135
(50 mm digit height) and S6136 (85 mm digit height) respectively.
Perhaps this is what you have.

I wish I knew how to tell them apart. None of them are marked very well but based on what I've read on this thread, it sounds probable that there were multiple manufacturers. Do you know of the Matsushita digits were also called NEO XXXX ?

I'm not sure but I wouldn't think so. The only maker's mark I could find on the "real" (?) ones was "Y.S."

A.J.