[ARC5] Opinions on ARR-7

[Geoff]

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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