ok i just sold my 7500s and they where great!! but the difference between the 7500s and the 8500 isnt much...ive heard both of them on proper powering amps and theres no big difference...save your money....and go with the 9500s you will be glad u did....i sold my 2 7500s

and went and bought 2 10" diamond d 6's

and ther GREAT!! go diamond and SQ

oh yea BTW notladstyle I went SQ now