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Re: SX-110 History

 

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Fascinating how the SX-110 and the SX-99 are basically the same radio in a different cabinet.? According to Osterman, the SX-99 was manufactured from 1955 ¨C 1958.? The SX-110 was 1960 ¨C 1963.? So there was a break of about two years, and then Hallicrafters revived the SX-99 in a different cabinet and look.? It appears that Hallicrafters didn¡¯t manufacture a single conversion superhet for those two years.

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73 ¨C Steve, KW4H

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From: <[email protected]> on behalf of "D. Platt" <jeepp@...>
Reply-To: <[email protected]>
Date: Wednesday, October 12, 2022 at 3:40 PM
To: <[email protected]>
Subject: Re: [HallicraftersRadios] SX-110 History

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I still have my SX-99 from my early general-class days in 1959-60. The SX-110 is the same radio in a cheap cabinet (arguably easier to re-finish).? Circular or slide-rule is the Ford vs. Chevy argument... ? Both, however, are entirely usable on the bands and maintenance and/or re-cap, when required, is easy and straight-forward.? I also like the dual-conversion SX-111.?

Jeep K3HVG

On 10/12/2022 6:01 PM RJ Mattson <wn2ami@...> wrote:

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I have a SX-110?which I acquired?used from Harrison Radio, NYC in the early 1960's. The top of the chassis is stamped:?Mark 1A

That is all I could afford back then with a paper route salary.

I just refurbished/aligned my old novice buddy.

Amazingly, it is hot with 20uv range sensitivity.

All the bumblebee caps were either shorted or high leakage.

All the carbon resistors were found to be within 11% tolerance

All the?tubes are Hallicrafters brand and test new,

The original dial cords worked a month, frayed and now need to be replaced.??

The free SX-110 manuals found at many online sites differ from my Mark 1A.?

The RF alignment was difficult because the alignment locations did not match the available manual pictorials.

The Mark 1A has the same tube lineup but some circuit values and locations have?changed.

Anyone have a SX-100 Mark 1A manual to share?

Regards,

bob...w2ami x wn2ami 1962

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