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  #1  
Old 01-24-2014, 08:18 PM
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bandersen bandersen is offline
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National TV-7W

Seeing a National TV-7W on ebay got me thinking it was about time I took a closer look at mine.

I got it from the Elli Buk auction last spring sandwhiched between a Clifton and bakelite Emerson.



I suspect it was that very heavy Emerson that caused the top to mush down and front to pop out. Hopefully, it can be jacked up, glued and clamped back in place.


I'm pretty sure only the fine-tuning knob is correct. I suspect it will be very hard to find a full set of correct knobs.


There seems to be two versions of this set. This being the early with series string tube filaments, logo above the screen and no holes for a magnifier.

The only good picture I could find online was from the ETF



Here's an example of the other version.


I'm pretty sure that's a homebrew back.


It kinda looks like two labels were removed and this one applied.


Two fuses are a nice touch
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  #2  
Old 01-24-2014, 10:33 PM
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Looks like an interesting set. Is this an Electrostatic one?
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  #3  
Old 01-24-2014, 10:36 PM
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Definitely yes.
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  #4  
Old 01-24-2014, 11:06 PM
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Yep, 7JP4 electrostatic CRT.

Now for the inside.


The AC line voltage selector is a nice touch.


Solid plywood bottom.


Simple cabinet interior.


Finally, here's the chassis with dual speakers




Loads of room underneath. Should be a piece of cake to work on
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  #5  
Old 01-24-2014, 11:11 PM
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I like they way the constructed the HV section with clip-in doorknob caps the horizontal deflection coupling.




Multi-deck rotary tuner switch.


Cast aluminum fine-tuning gears.


Crappy old repair.


HV oscillator coil. I sure hope it's still good
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Old 01-24-2014, 11:15 PM
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Now for a bit of cleaning.




Chunky piece of safety glass.




Ceramic sockets for the hor/vert oscillator and output tubes.


It's a guaranteed electron tube


That's better
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  #7  
Old 01-24-2014, 11:24 PM
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That set is looking nice, the chassis is in great shape! Dual oval speakers, that should put out some dB's Looks like it is going to turn out to be a nice set.
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  #8  
Old 01-24-2014, 11:47 PM
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That is just about my favorite 7-inch set. Only National would give you ceramic tube sockets!



That chassis will polish nicely, too, if you're into shiny.

If I could only keep one 7-inch, it would probably be my Admiral 19A12, though. Performs very well and it just looks so darned cool.

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  #9  
Old 01-24-2014, 11:55 PM
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Very nice

I think my favorite 7" is the Airline 94GSE31088, but then I've never owned one and probably never will.
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  #10  
Old 01-25-2014, 12:39 AM
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I should have said, "of the 7-inch sets that I own," the National is one of my favorites. I'll probably never run across one of those Airlines, either.

I'll be curious to see what you think of the National's performance when you're done. I think it's a pretty good set, but there are lots of things I haven't seen (and I did the restoration on mine a long time ago).

Regards,

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  #11  
Old 02-10-2014, 02:27 AM
snelson903 snelson903 is offline
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Quote:
Originally Posted by bandersen View Post
Very nice

I think my favorite 7" is the Airline 94GSE31088, but then I've never owned one and probably never will.
about 2 months ago i was looking around on craigslist like i do everyday when i check my email ,and i seen a lady with a airline like that one for sale . her son couldnt make it work so he took a 80's model tv out of its plastic enclosure and fitted inside the airline cabinet and thought it was made good that way and was selling it after he moved out . i contacted her and asked if she had all the parts and she said thinks so ,but i would have to look at it . after along trek to no-mans land with my G.p.s i made it up to here house ,i had to talk the airline out of her house ,dealing with some of these craigslist people is getting stressful, i had the airline in my trunk with 90persent of the parts.
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File Type: jpg air line 1.jpg (100.6 KB, 56 views)
File Type: jpg air line 2.jpg (102.5 KB, 49 views)

Last edited by snelson903; 02-10-2014 at 09:43 PM.
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  #12  
Old 02-10-2014, 09:40 PM
snelson903 snelson903 is offline
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Quote:
Originally Posted by snelson903 View Post
about 2 months ago i was looking around on craigslist like i do everyday when i check my email ,and i seen a lady with a airline like that one for sale . her son couldnt make it work so he took a 80's model tv out of its plastic enclosure and fitted inside the airline cabinet and thought it was made good that way and was selling it after he moved out . i contacted her and asked if she had all the parts and she said thinks so ,but i would have to look at it . after along trek to no-mans land with my G.p.s i made it up to here house ,i had to talk the airline out of her house ,dealing with some of these craigslist people is getting stressful, i had the airline in my trunk with 90persent of the parts.
it also looks like there was a small record player in the top compartment ,but thats the only part i never got, does anyone have a picture of it.
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File Type: jpg airline 3.jpg (96.5 KB, 22 views)
File Type: jpg airline 4.jpg (94.9 KB, 20 views)
File Type: jpg airline 5.jpg (84.6 KB, 40 views)

Last edited by snelson903; 02-10-2014 at 09:50 PM.
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  #13  
Old 02-11-2014, 10:43 AM
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Eric H Eric H is offline
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Quote:
Originally Posted by snelson903 View Post
it also looks like there was a small record player in the top compartment ,but thats the only part i never got, does anyone have a picture of it.
It's an RCA RP-168 changer, this one is correct for the set:

.
Did you get the radio chassis? There's a bunch of wires under there that don't belong.
I can also send you the art work if you want to get a new dial scale printed out for it. Kinkos can do that on some clear plastic but you have to reverse paint the gold on yourself.

This is basically a Sentinel TV-400 with an added radio chassis.

I should probably split this off into a separate thread so we don't hijack Bob's post?
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  #14  
Old 02-11-2014, 12:40 PM
snelson903 snelson903 is offline
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Quote:
Originally Posted by Eric H View Post
It's an RCA RP-168 changer, this one is correct for the set:

.
Did you get the radio chassis? There's a bunch of wires under there that don't belong.
I can also send you the art work if you want to get a new dial scale printed out for it. Kinkos can do that on some clear plastic but you have to reverse paint the gold on yourself.

This is basically a Sentinel TV-400 with an added radio chassis.

I should probably split this off into a separate thread so we don't hijack Bob's post?
yes i got both chassie and the crt all she had, the kid put in a 80's model tv in the cabinet .good thing he dint drill or cut on the cabinet ,for now i just put it on the shelf for later. the reason i posted it here they saying they never ran across one before ,i thought i would show the one i found. apart from that i dint think anyone would be interested.

Last edited by snelson903; 02-11-2014 at 12:47 PM.
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  #15  
Old 02-11-2014, 04:27 PM
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decojoe67 decojoe67 is offline
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Quote:
Originally Posted by snelson903 View Post
it also looks like there was a small record player in the top compartment ,but thats the only part i never got, does anyone have a picture of it.
I've been into vintage TV's for years and can tell you that you have a VERY rare set there! I can only remember seeing one other in a photo. It's easily as rare as a pre-war.
It would certainly be worth the time and expense to restore it!
I'm envious!
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