[Milsurplus] Hallicrafters R-45/ARR-7 Receiver

[WA5CAB at cs.com]

Jerry,

To add to what Mike wrote, my database says that the repackaging deleted 
the noise blanker and the audio output is single-ended.  Plus the added 
scanning drive.  Probably the bulk of R-45's that turn up have had the scanning 
drive removed.  The one that I have has.

I've never actually come across one of the PP-32's.  It was also used with 
the R-44/ARR-5, and will run up to three of the receivers at once from 115 
VAC/60 CPS.  I have some ARD's (predecessor to the AN/APR-1).  The 50ABW 
Amplifier is in the same ATR package as the PP-32.  Pull the tubes, disconnect 
two or three wires, and mount the correct chassis connector on the front, and 
you'd have a sorta lookalike PP-32.  Except I don't think it will run but 
one R-44/45.  I also have some CD-468 cables from the RC-56 (BC-463-A) that 
are similar to the one used between the PP-32 and receiver.  And a reprint of 
the Maintenance Handbook on the AN/ARR-7.

In a message dated 2/23/2010 6:24:48 AM Central Standard Time, 
aaf-radio-1 at aafradio.org writes: 
> Jerry Felts wrote:
> >Saturday at our yearly club auction in the freebie pile was a
> >Hallicrafters R-45/ARR-7 Receiver, it looked to be in fair condition,
> >no power supply. Is this a good reciever, worth the trouble? Just
> >curious, was it teamed up with a transmitter? I could probably get it
> >from my buddy.
> >   
> It's my favorite WWII airborne HF receiver, Jerry.  It's essentially a 
> Hallicrafters SX-28A repackaged into a standard ATR aircraft 
> configuration.  You'll need 6.3vac and 270vdc for power - that was 
> originally supplied by a PP-32/AR power supply, but they are few and far 
> between these days.  More at 
> http://aafradio.org/countermeasures/surveillance_bay.htm

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480