[ARC5] Opinions on ARR-7

[J. Forster]

Hmmm....

I was told it was the PP-33/AR but that does not seem to actually exist. A
puzzle.

-John

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






> Did they make one?
>
>
> Subject: Re: [ARC5] Opinions on ARR-7
>
>
>> 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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