[ARC5] Opinions on ARR-7

[J. Forster]

Yes. I also would like the 60 Hz supply, rather than the 400 Hz one.

Take care,

-John

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

-John

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

> 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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