Hi all ! Sounds like a rubbing voice coil .If you are handy remove the dustcap and manually move the cone in and out . You should see and hear where / what the problem is . Could be off-center ( sometimes fixed by pulling the driver and re-installing upside down ) or debris in the voice coil gap .
"blown speakers"
When a speaker "blows" what actually happens. I suppose its different between a tweeter and woofer, but is there some mechanical damage or is it electrical. does something break? Besides a woofer cone ripping, what happens to a tweeter if it is still working, but raspy or staticy? I have heard "blown" speakers before, or ones that didnt work at all, but I really dont know what it is that breaks and whether it is fixable or just replace.