I have opened quite a few vintage JBL compression drivers and have seen a variety of foams and the older ones used felt. I am not sure if it makes much difference what you use. Replacement foam is...
Type: Posts; User: Mr. Widget; Keyword(s):
I have opened quite a few vintage JBL compression drivers and have seen a variety of foams and the older ones used felt. I am not sure if it makes much difference what you use. Replacement foam is...