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

[WA5CAB at cs.com]

In a message dated 2/23/2010 12:37:26 PM Central Standard Time, 
aaf-radio-1 at aafradio.org writes: 
> >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 wish...  :-)  It only works from 400~ to 2600~ power, which means you 
> need a frequency changer in the shack if you have one of the originals.

My mistake.  You are unfortunately correct.  However, the AC supply in the 
ARD (50ABW) is good for 60~.  

> 
> >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.  
> 
> I've made several panels for friends to use in a conversion such as 
> Robert is suggesting, and it isn't difficult with a hole saw for the 
> connectors.  http://aafradio.org/countermeasures/PP-32-AR.jpg has a 
> closeup of the front panel.  The carrying handle seems to be carried by 
> any good hardware store...it is basically designed for a screen door on 
> a porch.  It always pains me to do something like that to an unmodified 
> set, but some of these boxes will never be used again for their original 
> function.
> 

Unfortunately, the ARD amplifier/power supplies don't include a 
conventional transformer coupled audio amp, either.  However, all the tubes are octal.  
One 6SN7GT drives a phone jack and another drives a meter.

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