[ARC5] Opinions on ARR-7

[Geoff]

The PP-34 is the standard 400Hz version. Never saw a 60Hz one from Uncle 
Sam.


----- Original Message ----- 
From: "J. Forster" <jfor at quikus.com>
To: "Geoff" <geoffrey at jeremy.mv.com>
Cc: "Joe Connor" <joeconnor53 at yahoo.com>; "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 10:10 PM
Subject: Re: [ARC5] Opinions on ARR-7


> 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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>>
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>
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