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  #1  
Old 10-01-2007, 01:42 AM
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Roundie Zenith Space Command 400 Epay!

Damn, It's in Kansas with Toto!!! It is a SC 400 but has the SC 600 remote.

http://cgi.ebay.com/Vintage-Zenith-C...QQcmdZViewItem

polaraman
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  #2  
Old 10-01-2007, 12:08 PM
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Same model as mine... I'm not selling at this time, but I'm curious to see what this one brings. It's one of the smallest and easiest-to-handle roundie consoles, which is one reason I picked it to keep. Mine is repaired (not re-capped), and is working fine with a NOS military CRT.

Charles
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Old 10-02-2007, 07:39 PM
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any pics in operation?
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Another idea.....instead of expensive anti-psychotic drugs, let's provide schizophrenics with dummy bluetooth headsets. They'll easily blend into the crowd, although I suspect their "conversations" would be far more rational than those of the typical Wal-Mart shopper.

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Old 10-03-2007, 01:45 PM
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Originally Posted by fujifrontier View Post
any pics in operation?
Here we go



Charles
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Old 10-03-2007, 01:50 PM
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OMG!!! Thats a brilliant picture!! Does this set use the 21fjp22 crt as well??
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  #6  
Old 10-03-2007, 02:43 PM
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Beautiful Charles!

I want that set
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Old 10-04-2007, 06:56 AM
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That's a Zenith alright. I'll have to post a picture of mine in operation now.
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Old 10-04-2007, 09:50 PM
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that's simply glorious...
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Quote:
Originally Posted by TVTeufel


Another idea.....instead of expensive anti-psychotic drugs, let's provide schizophrenics with dummy bluetooth headsets. They'll easily blend into the crowd, although I suspect their "conversations" would be far more rational than those of the typical Wal-Mart shopper.

Ron
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  #9  
Old 10-06-2007, 10:59 AM
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Thanks for the compliments!!

That set has a military surplus CRT; I think it's an HR21GVRP22. HR-something anyway. It isn't any brighter than the regular ones, but it was easier to get convergence and purity. I think they still use those in some airport control tower radar scopes. They're still on the current US Navy inventory sheet, according to one of our members here who is an active Navy tech.

The contrast is probably better because I put the original tinted glass from the Zenith 21FBP22 over the existing bonded glass on the tube. That photo is taken while I had it on for the '07 Rose Parade on New Years.

Charles
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  #10  
Old 10-06-2007, 02:10 PM
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Would that be a black-matrix tube? Where do I find the order sheet for airport surplus?
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  #11  
Old 10-06-2007, 03:36 PM
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Man, those people that think an old Color TV can't produce a good picture need to see that Zenith in operation. That color picture looks just as good, if not better, than a modern set.
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  #12  
Old 10-08-2007, 01:06 PM
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Quote:
Originally Posted by kx250rider View Post
The contrast is probably better because I put the original tinted glass from the Zenith 21FBP22 over the existing bonded glass on the tube.
Pardon my ignorance, but why would tinted glass improve the contrast? And what color of tinting was used?

Phil "just tryin' to learn" Nelson
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Old 10-08-2007, 03:59 PM
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Is that tube still being made somewhere for the military? If so, it would be nice to find out how to get them.
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  #14  
Old 10-08-2007, 08:01 PM
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Quote:
Originally Posted by Phil Nelson View Post
Pardon my ignorance, but why would tinted glass improve the contrast? And what color of tinting was used?

Phil "just tryin' to learn" Nelson
The tinting attenuates room light on the way in and again on the way out, but attenuates the CRT output only once, on the way out. Therefore the blacks are darker with the tint.

The tint was/is almost always neutral gray. There were a few exceptions -IIRC, GE had blue-face tubes for a while.
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  #15  
Old 10-08-2007, 10:49 PM
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Is the military still having JAN tubes produced? Not just CRT's, but other tubes?
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