[ARC5] Opinions on ARR-7

[Geoff]

I didnt think so,  so the motor must be present and functioning and the 
output fed into the display device.


----- Original Message ----- 
From: "J. Forster" <jfor at quikus.com>
To: "Joe Connor" <joeconnor53 at yahoo.com>
Cc: "ARC5 at mailman.QTH.net" <arc5 at mailman.qth.net>; 
"Vintage-Military-RADAR at yahoogroups.com" 
<vintage-military-radar at yahoogroups.com>; "ArmyRadios at yahoogroups.com" 
<armyradios at yahoogroups.com>; "Milsurplus at mailman.QTH.net" 
<milsurplus at mailman.qth.net>
Sent: Sunday, August 26, 2012 6:35 PM
Subject: Re: [ARC5] Opinions on ARR-7


I have absolutely no interested in modifying one. My interest is in an
as-built ELINT set.

Thanks,

-John

============


> The R-45/ARR-7 is a very nice receiver. There's a good write-up in the
> June 2012 ER. Also, there is a youtube video showing one in action:
> http://www.youtube.com/watch?v=x68hn0ZRygE
>
> The R-45/ARR-7 is very similar to the SX-28. However, it is far easier to
> work on. There are no leaky wax caps buried in the RF deck. Interestingly,
> most of the caps are .0082 mfd, which seems to be an odd value.
>
> The audio stage is much different than the SX-28. It is not push-pull and
> there is no audio output xformer. Thus, this set works best with
> headphones.
>
> I use mine for SWLing and it is more than adequate.
>
> There is an entire page on BAMA showing modifications for those who are so
> inclined:
> http://bama.edebris.com/manuals/hallicra/r45arr7/r45mods
>
>
> Joe Connor


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