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 Post subject: Hallicrafters SX-36 Receiver
PostPosted: Mar Fri 30, 2007 9:17 pm 
Does anyone have any information on a SX-36 receiver?


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 Post subject:
PostPosted: Mar Fri 30, 2007 9:30 pm 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 12287
Location: Albuquerque, NM 87123
Never heard of one. But Hallicrafters made an S-36 and S-36A.


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 Post subject:
PostPosted: Mar Fri 30, 2007 9:42 pm 
Moderator

Joined: Jan Thu 01, 1970 1:00 am
Posts: 15939
Location: Utica, NY 13502 (USA)
I have an S-36. The service information for the similar S-36A is here:

http://www.nostalgiaair.org/PagesByMode ... 008860.pdf

Top to bottom is my S-37, S-36 and SX-28:

Image

Like Johnnysan said, there is no SX-36.

Dave


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 Post subject: s-36
PostPosted: Mar Fri 30, 2007 11:30 pm 
I am corrected on the type radio I have. It is a S-36.

Thanks.


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 Post subject:
PostPosted: Mar Sat 31, 2007 12:42 am 
Silent Key

Joined: Jan Thu 01, 1970 1:00 am
Posts: 34328
Location: Sandpoint, IDAHO 83864
In my humble opinion, I think the S-36 is a more handsome receiver than the SX-28 is. Probably a lot easier to work on also, as getting to some of the capacitors in the SX-28 can be a real chore.
Curt

_________________
Curt, N7AH
(Connoisseur of the cold 807) CW forever!


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 Post subject:
PostPosted: Mar Sat 31, 2007 3:49 am 
Moderator

Joined: Jan Thu 01, 1970 1:00 am
Posts: 15939
Location: Utica, NY 13502 (USA)
The S-36 (which followed the S-27) was designed for the emerging VHF freqiencies of 27 - 145 mhz. It can receive AM and FM modulation. The dial reminds me of the S-20R and a number of other models.

The S-37 covers the then highly experimental band of about 130 - 210 mhz. Both sets use "acorn" tubes in their front ends. The s-37 has two TRF stages ahead of the mixer. It's knobs don't match any other Hallicrafters that I know of.

Dave


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 Post subject:
PostPosted: Apr Thu 05, 2007 2:53 am 
Member

Joined: Jan Thu 01, 1970 1:00 am
Posts: 1150
Location: Cambridge MN USA
I've got a military version of the S-36 with a wierd problem. The dial stop is an arm which drops down and catches on a cam on the tuning cap shaft at each end of the band. After I tune mine to either end the arm doesn't lift high enough not to catch the cam as I'm tuning away from the dial edges. Is there some sort of adjustment which can correct this?

One other question- this set looks like it didn't use any conventional paper caps or electrolytics, only oil and mica types. My set has rather poor performance. What should I be looking to replace under there? Tubes test good.

Scott Todd


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 Post subject:
PostPosted: Apr Sun 29, 2007 7:21 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 4207
Location: Woodinville, WA USA
You might want to check some of those caps. I always believed micas to be bulletproof, until I found some bad ones in a couple of 50-year old TVs. Same for bathtub style caps. Somebody told me they were all oil filled, and good forever. I tested a couple in a Scott 800B radio, and they leaked like the devil, so I replaced 'em and the radio was good to go.

I'm not telling you to shotgun every cap, but it costs nothing to check, eh? After 60 years or more, even usually-good quality components may be showing their age :-)

Phil Nelson


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 Post subject:
PostPosted: Apr Sun 29, 2007 8:13 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 2342
Location: Bloomington, MN, 55425
My SX-25 looks almost the same as the S-36. It is that rare receiver that looks much more impressive in person. It eased my lust for an SX-28. Unfortunately it kindled a craving for the SX-23. I wonder if the S-36 used the PM-23 speaker too. It's a beaut especially with the chrome h.

-Phil


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