strange noise from woofers

[craig7]

got some woofers that make a strange noise i cant explain when there is bass, i cant explain it, could it be caused by the crumbling surround?

 

[TLS Guy]

got some woofers that make a strange noise i cant explain when there is bass, i cant explain it, could it be caused by the crumbling surround?

If the surrounds are crumbling yes. Crumbling foam surrounds must be replaced.

This is something you can accomplish with some guidance.