[Hallicrafters] Info on S-72 and S-72 L

[Vern Weiss]

Steve,

     If you have long wave on your receiver it is an S72L. Otherwise you
have expanded SW coverage which went up to 18 mc on the S72.
    Enjoy it...it's a neat li'l receiver.

     Vern Weiss W9STB
     Cold, snowy Minocqua, Wisconsin

----- Original Message ----- 
From: "Steven Pituch" <spituch at ev1.net>
To: <hallicrafters at mailman.qth.net>
Sent: Tuesday, January 04, 2005 10:08 AM
Subject: [Hallicrafters] Info on S-72 and S-72 L


> Hi all,
>
> I just acquired an S-72 and noticed it was different from another I had
> seen.  The difference seems to be a bandspread capacitor on the top of the
> chassis.  I think I have an S-72, while the ones with the extra variable
cap
> are S-72Ls.
>
> 1) Does anyone know if there is a significant performance difference
between
> the S-72 and the S-72L?  I am thinking that the S-72 has a simple gear
> reduction for the bandspread insead of a variable cap.  I was hoping it
> still would be a decent SW receiver.  But then why would Hallicrafters
have
> had the bandspread capacitor on the S-72L?
>
> 2) It seems an extra switch pole was added to the BFO circuit switch.  I
> wonder in the restoration whether it would be advisable to make this
change
> in my S-72.  But without a narrow filter it is probably a moot point.
>
> 3) The S-72L has a gap in its coverage while the S-72 does not.  I just
> wonder why.
>
> 4) Mine has a BFO switch on the front panel.  Many do not.  Does this mean
> that these models don't have the BFO stage?
>
> 5) I bought this as an inexpensive alternative to purchasing a Zenith
> TransOceanic.  I think this radio has some advantages to the ZTO.  Anyone
> care to comment?
>
> Regards,
> Steve Pituch, W2MY
>
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