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Originally Posted by CBFryman
$2000 for just a sub stage? im assumeing SQL... well if you want to put a XXX or Brahma to shame in SPL and still hold nearly equal SQ... DD9500 series... my god SR20 how did you not bring this up... 1 9515 will cost you around $650. has a far greater SPL capabilities while retaining equal SQ. a good 2000-3000w RMS amp will work well. DD underrates. this woofer is rated to 1200RMS but could easily handle 1600RMS. reccomended Music wattage is 2400 RMS but they could easily handle 3000RMS and they hit their thermal peak (rated) at 4800w...however i have seen 3000w on each coil in SPL vehicles. that is 5-10sec burps... DD doesnt tell where the woofer will reach maximum excursion but i would say around 2800w. a 5cuft enclosure tuned to 30Hz will offer great SQ. a put about 65-75sqin of port area on it for good port velocity. the XXX has 32mm xmax 1 way which is 64mm total and the 9500 has 75mm... a little less than 1/2" more. the 9500 offers a flat BL curve just like the XBL^2 motor but isnt as efficent. there fore a greatter thermal wattage will be needed but i think you will be more htan satisfied with the 9500...though you will be quite happy with the XXX or Brahma as well. however your stock 8 speaker stereo may not suffice if you are wanting to play either of these woofers at maximum potential volume... the XXX will be hitting in the high 130's low 140's and the 9500 mid-high 140's... and in a pure SPL set up into the high 150's...i think there have even been a few cases of a single 9500 breaking into the 160's on the old Mic's.
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I'm not looking for all of that. I don't wnat to have to have a secondary alternator installed and drop $2000 on that kind of amplifier either. Thanks for the input, but this is really left for the SPL enthusiast who wants to sit outside of his car and rattle it to death.