Sometimes it is not a good thing for me to sit and think 
I have had speakers & equipment for more years than I care to remember, but have never thought about this.
Does the rubber surrounds on speakers need any preventative maintenance such as some kind of rubber treatment?
I have had speakers & equipment for more years than I care to remember, but have never thought about this.
Does the rubber surrounds on speakers need any preventative maintenance such as some kind of rubber treatment?
