[ARC5] My military headphones....

[Kenneth G. Gordon]

On 3 Jan 2015 at 17:44, D C _Mac_ Macdonald wrote:

> I'm not really sure what my headphones are; HS-23? HS-33?
>  
> The receivers are labeled:
>  
> RECEIVER 
> ANB-H-1
> MADE IN USA
>  BY
> UTAH-CHICAGO
>  
> They have the red PL-354 short plug.
>  
> The metal sleeve crimped on the adaptor cord is labeled: 
> CH-307-A
>  
> The shells of the connectors on the adaptor cord are pretty 
> deteriorated.
>  
> I bought the headset at Radio Shack on Commonwealth Avenue 
> in Boston, MA in summer 1956.
>  
> Can anybody fully identify this ancient piece of antiquity?

HS-33, "low impedance". Mike Hanz has some details on his site, here:

http://aafradio.org/flightdeck/Peripherals-headsets.html

Ken W7EKB