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<blockquote data-quote="T3mpest" data-source="post: 8092090" data-attributes="member: 560148">Except the woofers your looking at.&nbsp; The XXX&#039;s have fairly low BL and if space of any considertation your SOL.&nbsp; Without using a box that is big enough for most companies 12&#039;s or even 15&#039;s ported, you will NOT see anywhere near xmax from those woofer ported with any amount of power those subs can handle.&nbsp; Those subs are really meant for HT duty in a very large box playing very low, not to be in a car playing music.If you want loud and are low on space and going ported you want high BL, low q, high powerhandling, moderate xmax woofers.&nbsp; If you were doing sealed, then yeah, cone area, xmax, and having enough power/box volume ratio to hit xmax at the desired frequencies is all that is going to matter, but your not.&nbsp; Tuning as high as you are a XXX would be a laughable waste of money.&nbsp; Your tuning mid to upper 30&#039;s, your not trying to play 20hz with authority obviously, you want loud over a normal music range 30-80hz, you don&#039;t have ANY use for 50mm of xmax.The sundown Z series is pretty overbuilt for a 10 inch driver.&nbsp; 3inch coil should soak up alot of power.&nbsp; Only issue with the sub is range i mentioned earlier of 30-80 will be more like 30-60.&nbsp; All the extra metal on these things do wonders for cooling, but give them terrible inducantance.&nbsp; You won&#039;t play over 60 with authority, but it&#039;ll be very loud for a 10 from 30-60 for sure.DC sound labs makes good 10&#039;s too from what I remember.&nbsp; Anyway one of the SPL guys can probably get you a good specific suggestion, I just want to get you on the right track.</blockquote>

[QUOTE="T3mpest, post: 8092090, member: 560148"] Except the woofers your looking at. The XXX's have fairly low BL and if space of any considertation your SOL. Without using a box that is big enough for most companies 12's or even 15's ported, you will NOT see anywhere near xmax from those woofer ported with any amount of power those subs can handle. Those subs are really meant for HT duty in a very large box playing very low, not to be in a car playing music. If you want loud and are low on space and going ported you want high BL, low q, high powerhandling, moderate xmax woofers. If you were doing sealed, then yeah, cone area, xmax, and having enough power/box volume ratio to hit xmax at the desired frequencies is all that is going to matter, but your not. Tuning as high as you are a XXX would be a laughable waste of money. Your tuning mid to upper 30's, your not trying to play 20hz with authority obviously, you want loud over a normal music range 30-80hz, you don't have ANY use for 50mm of xmax. The sundown Z series is pretty overbuilt for a 10 inch driver. 3inch coil should soak up alot of power. Only issue with the sub is range i mentioned earlier of 30-80 will be more like 30-60. All the extra metal on these things do wonders for cooling, but give them terrible inducantance. You won't play over 60 with authority, but it'll be very loud for a 10 from 30-60 for sure. DC sound labs makes good 10's too from what I remember. Anyway one of the SPL guys can probably get you a good specific suggestion, I just want to get you on the right track. [/QUOTE]

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