When having to replace damaged speaker surrounds, what material to use ? Foam, rubber or impregnated paper ? Current material is rotting foam, but they appear to have been replaced already, and I'm not sure of original surround material.
Speakers are AR 50c, early 80's, said to be the 'newer' version of the AR 3's. I could not find the original material specified through various searches. In the long run, how much difference in performance will a 'stiffer' paper surround make over a foam replacement ? Raymonda ??