[ARC5] Opinions on ARR-7

[J. Forster]

>From N7JR:

Power Supply, PP-32/AR
JAN Type: PP-32/AR
Nomenclature: Power Supply
Reference: AN 08-30ARR7-2
Weight: 25
Part of: ARR-7
Description: The PP-32 provides all the power necessary to power three
receivers, R-45, in radio receiving set ARR-7.
Source: AN 08-30ARR7-2
Created: Wed Jul 12 19:24:04 2000
Last Modified: Wed Jul 12 19:24:04 2000
h

-John

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






> 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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>>
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>>
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>
>