[Hallicrafters] Which models had the 50KC I F?

[Bruce Muscolino]

Oh yes, but I didn't know they were made by Hallicrafters!
> 
> The Drake 1A,2A,2B,2C,R4,R4A,and R4B all used the 50 kHz IF.
> 
> Ron  WA0KDS
>