this guy has had the same problems as me. all the speakers ive used from abahn have come unglued. and they sounded terrible to boot.
re, adire, dd, treo, jl, sound splinter, elemental designs
there. get those
http://www.adireaudio.com
http://www.reaudio.com
http://www.treoonline.com
http://www.jlaudio.com
http://www.edesignaudio.com
http://www.ddaudio.com
http://www.soundsplinter.com
http://www.incriminatoraudio.com
http://www.stereointegrity.com
theres likely more, but i cant think of them off the top of my head. look for the ADIRE BRAHMA, the RESONANT ENGINEERING XXX, STEREO INTEGRITY MAGNUM, JL 12w7, INCRIMINATOR AUDIO DEATH PENALTY, and some more that i cant remember exact model numbers\names of;
but most of all, GO DO SOME REASEARCH! ask questions, read threads READ PEOPLES SIGNATURES AND FIND OUT WHAT THEY USE ON THESE FORUMS.
more often than not, if you find somone with audiobahn in their signature, its eaither an amp, or a sub they are trying to get rid of.
good luck.
dont buy abah please. espicially for over $200 a sub.
//edit
buy this 15" sub then;
http://www.caraudio.com/vb/showthread.php?t=73925