attention car audio heads... need help with removing jl audio sub from enclosure

[pogiboy67]

so i have a jl audio 10w7 that finally blew... the diaphragm ripped. been a good 7 years... im trying to remove the sub from the sealed enclosure. how do i goabout removing it? i dont see any screws around the box and i removed the front grill plate. any help appreciated.. heres a pic of what the enclosure lookslike

 

[krazyl3gz]

what does it look like underneath that plexiglass panel?