Help. I know almost nothing a/b radios

[magman]

Originally Posted by _paralyzed_

I've used am and fm xtals interchangeably. 27's and 75's wont match, but am 27's will match fm 27's and vice versa, and it is the same for am and fm 75's. As long as the 27.xxx numbers match they will work. It is the same frequency, they just use different methods to get there.

See, I learned something new today!