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  #1  
Old 08-03-2013, 10:39 PM
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bgadow bgadow is offline
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Whatzit For Sale

So...my friend the tube audio collector called the other day. Said he found an industrial-type TV and wanted to know if I'd want it, or would be interested in selling it for him. I instantly pictured a National, or early Hallicrafters. Not quite. Here is what it looks like:

He was told it's a TV receiver. No name or model number, aside from "Vitro Electronics" on one of the transformers. Untested; features a Mallory Inductuner. No, this does not use a CRT. An underhood shot:

He also has another device that he was told was used for aligning this one. I didn't grab it yet, but did grab the manual:

Any interest in these items? Information on them? Let me know-thanks!
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  #2  
Old 08-03-2013, 10:45 PM
bob91343 bob91343 is offline
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That looks much like a Nems-Clarke receiver. Used in labs for general purpose reception of HF and VHF signals. However, the manual confuses me by calling it a frequency meter. Maybe it was a transfer oscillator.

Might be fun to play with. It appears to be missing the rectifier tube.
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Old 08-03-2013, 11:00 PM
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Yep, a Nems-Clarke. I have 2, plus a "Panadaptor" unit that displays a segment of the frequency spectrum. I THINK, w/the right antenna, & assuming they have the RIGHT frequency coverage, they can be AWESOME FM-DX units..
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Old 08-03-2013, 11:26 PM
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Quote:
Originally Posted by Sandy G View Post
Yep, a Nems-Clarke. I have 2, plus a "Panadaptor" unit that displays a segment of the frequency spectrum.
Man, all the stuff you have. Do you live in an actual house, or just buy an old hospital?
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Old 08-04-2013, 10:56 AM
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How much does it weigh?
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  #6  
Old 08-04-2013, 05:38 PM
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Originally Posted by Einar72 View Post
How much does it weigh?
My Nems-Clarke tips the scales at almost 40 pounds, but it is a different model, a 2801A, which covers 250 to 1000 mHz in two bands. I imagine the model here is similar in weight, less than half that of a r-390!

Performance wise, a new high quality solid state receiver (such as an Icom8500) will blow the socks off of the old Nems.

jr
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Old 08-04-2013, 06:07 PM
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I read/heard SOMEWHERE that at least some of the Nems-Clarke units were made for those "Alphabet Agencies" in Maryland & Northern Virginia that Uncle DOESN'T like to talk about..They do have that "Milspec" look about 'em...Think NASA maybe used 'em, too. And I guess they were available commercially, at least some of 'em were, because they were fairly common on The E-Place for awhile...No, I live in a fairly conventional house...But I DO have a dedicated "Shp's Radio Room", where I have 2 big 7' tall by 8' long, by 36" deep industrial racks where I have my Boatanchors..
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Old 08-04-2013, 07:00 PM
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Some info on NEMS-Clarke Equipment here:
http://blackradios.terryo.org/document-index.html
jr
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Old 08-04-2013, 07:29 PM
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Thanks, jr tech!
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Old 08-04-2013, 10:14 PM
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Wow-lots more info than I really expected! To clarify, the manual is for a different piece of equipment-I didn't feel like lugging that one home so I just grabbed the manual for now.
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Old 08-04-2013, 10:40 PM
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Quote:
Originally Posted by bgadow View Post
He was told it's a TV receiver.
Forgot to mention that my NEMS has a 50 ohm BNC on the back labeled "Video", but I believe that this is output to drive the Panadaptor spectrum display, not NTSC video.

jr
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  #12  
Old 08-04-2013, 11:11 PM
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If I didn't have 2 of th' Damthings already, I'd have you grab that 'un for me.. BTW, I e-mailed that Terry O guy, to see if he has any info about MY "Whatzis", that Specific Products WWVC receiver..
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Old 08-05-2013, 08:52 AM
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Quote:
Originally Posted by Sandy G View Post
.........No, I live in a fairly conventional house...But I DO have a dedicated "Shp's Radio Room", where I have 2 big 7' tall by 8' long, by 36" deep industrial racks where I have my Boatanchors..
It is a sight to behold too!
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  #14  
Old 08-08-2013, 11:19 PM
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Beware, Uncle Sandy, our current vacation plans have us dangerously close to Rogersville!
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Old 08-09-2013, 08:52 AM
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Quote:
Originally Posted by KV-1926R View Post
Man, all the stuff you have. Do you live in an actual house, or just buy an old hospital?
haw!
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