[Milsurplus] RCA phono connector impedance

[Robert Nickels]

On 11/29/2023 12:47 PM, W2HX wrote:
> the RCA connector is suboptimal from a mechanical perspective.

That depends on how gentle you are, Eugene ;-)  I've certainly never had 
mechanical problems with one at home, but one of Collins design goals 
for the KWM-2 was to enable it to be used both at a fixed station and 
mobile, and the RCA connectors were no doubt chosen to enable the 
slide-in mobile mount (351D-2).    This concept originated with the 
KWM-1 but probably in response to users,  the custom ITT Cannon multipin 
rectangular connector was abandoned in favor or readily available types.

In it's version of the KWM-2, Hallicrafters used the same approach in 
the MR-150 mobile rack for the SR-150 transceiver. RCA plugs and a 
standard Cinch-Jones connector allowed all connections to be made 
simultaneously when the radio was slid in.    As with Collins, the idea 
was to show that the investment in a top of the line transceiver could 
easily be moved between home and car.

73, Bob W9RAN