[Hallicrafters] Fw: SX-101A VS SX-115

wf2u at ws19ops.com wf2u at ws19ops.com
Tue Oct 14 13:03:23 EDT 2008


Joe,

If anything, the SX-117 is the closest to the SX-115. The SX-117 is  
very similar in circuitry to the SX-115, except for a few (I think 3)  
additional tubes for some enhanced bells and whistles. Of course, the  
SX-101 and the SX-115 share only one thing: avery heavy duty  
mechanical construction, and the SX-117 is somewhat lighter in that  
department, but not a "lightweight" performance-wise.
The SX-115 and -117 are a different generation of superheterodynes  
from the SX-101 in that, that the former 2 have a first variable IF  
and the rest of the bands are crystal controlled converters (the newer  
concept a la Collins, Drake, etc.)
The SX-101 is an older standard,  straight double conversion type  
receiver, with a bandswitched first mixer/variable oscillator and a  
fixed second IF.

The SX-117 performance is much closer - in fact almost identical - to  
that of the SX-115, more so than the SX-101A which is inferior to both  
in stability, and image rejection.

My 2 cent's worth, your mileage may vary....

73, Meir WF2U
Landrum, SC

Quoting jsloss <k7mks at comcast.net>:

>
>
>
> Aside from physical appearance and dial frequency readout I'd   
> appreciate performance comments from those who have had both.  I   
> only have room for one - the other goes.
>
> Joe k7mks
>




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