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get loud for cheap / ghetto blaster burb
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<blockquote data-quote="brian84corvette" data-source="post: 8273897" data-attributes="member: 586635"><p>next up on the list : sound deaden my roof / and doors especialy the front doors.</p><p></p><p>get some sound processing going on. im using a cadence qxr7 and its terrible. maby get active capable 4 chans. my old school punch 200a4 and 400a4 leave alot to be desired in the tuning of the hz on them....</p><p></p><p>maby i should buy a headunit instead of just using my ipod to power this entire system lol maby not tho.. i hate headunits haha</p><p></p><p>o and i have four 18s sitting in boxes wating for me to stop being a little girl and build a wall or a 4th order for them and get LOUD</p><p></p><p>since im terrible at designing = I NEED HELP designing a ported wall or 4th for theese subs.</p><p></p><p>at first i thought 4th was out of the question due to c pillar back only for me ( i need to use my back seats i have a kid ) but another fourm member said this :</p><p></p><p>- You don't need a huge sealed side to get optimal resonance with the SI HT18. Fsc at 2.5 ft^3 (per driver) is 45hz, and drops to 40hz with just a little over 3 ft^3. A 40hz centered 4th with a moderate ratio should get stupid low and move a LOT of air - so maby i can stuff a 4th back there in 3:1 ratio ?</p><p></p><p><a href="http://s214.photobucket.com/user/brian84corvette/media/104_zps08fd1be3.jpg.html" target="_blank"><img src="http://i214.photobucket.com/albums/cc279/brian84corvette/104_zps08fd1be3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p></blockquote><p></p>
[QUOTE="brian84corvette, post: 8273897, member: 586635"] next up on the list : sound deaden my roof / and doors especialy the front doors. get some sound processing going on. im using a cadence qxr7 and its terrible. maby get active capable 4 chans. my old school punch 200a4 and 400a4 leave alot to be desired in the tuning of the hz on them.... maby i should buy a headunit instead of just using my ipod to power this entire system lol maby not tho.. i hate headunits haha o and i have four 18s sitting in boxes wating for me to stop being a little girl and build a wall or a 4th order for them and get LOUD since im terrible at designing = I NEED HELP designing a ported wall or 4th for theese subs. at first i thought 4th was out of the question due to c pillar back only for me ( i need to use my back seats i have a kid ) but another fourm member said this : - You don't need a huge sealed side to get optimal resonance with the SI HT18. Fsc at 2.5 ft^3 (per driver) is 45hz, and drops to 40hz with just a little over 3 ft^3. A 40hz centered 4th with a moderate ratio should get stupid low and move a LOT of air - so maby i can stuff a 4th back there in 3:1 ratio ? [URL="http://s214.photobucket.com/user/brian84corvette/media/104_zps08fd1be3.jpg.html"][IMG]http://i214.photobucket.com/albums/cc279/brian84corvette/104_zps08fd1be3.jpg[/IMG][/URL] [/QUOTE]
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