[Hallicrafters] SR-540?

[Duane Fischer, W8DBF]

Hi Jim,

I am copying your post to my friend Chuck Dachis, author of "Radios By 
Hallicrafters", for his response. I will post it here Jim.

Interesting observation!

----- Original Message ----- 
From: "Jim Liles" <james.liles at comcast.net>
To: <hallicrafters at mailman.qth.net>
Sent: Thursday, May 08, 2008 4:27 PM
Subject: [Hallicrafters] SR-540?


> Noticed an SR-540 on the auction site.  Note that the original SR-540 did 
> not have the notch or CW filter like the SR-400.  The under chassis shot 
> clearly indicates that it has at least the notch filter and we cannot see 
> enough of the rest to determine if it has the CW filter.  Has anyone any 
> information that would indicate that the SR-540 ever included the notch or 
> CW filter?  Were they possibly up grades after the SR-400 came to market. 
> Seems the genealogy of some of these great and enigmatic radio's is 
> relegated to history.  Kindest regards Jim K9AXN
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