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<blockquote data-quote="DangerRanger00" data-source="post: 3286169" data-attributes="member: 570905">ok,Some may remeber my thread on the blowthrough.&nbsp; well i have desited to go a diffrent route, insted of cutting a hole in the cab and bed of the truck i am still paying on(//content.invisioncic.com/y282845/emoticons/uhoh.gif.c07307dd22ee7e63e22fc8e9c614d1fd.gif).&nbsp; i came across a deal on a sung top for 100bux. i jumped on it.now the problem is fig. up&nbsp; the port length and size for the box. i have desited on&nbsp; a sub up, port back design.&nbsp; the max dem. i can use is&nbsp; 40L x 40W x 15T, so i can still have a little usable bed space.&nbsp; the prob is that leaves me with&nbsp; gross. mesuremnt of 10.8cf&nbsp;&nbsp; witch is wayy bigger then i need.the min airspace i need is roughly 8.5 after driver and port displacment.the total driver displacement for the 4 drivers i will be using is .48cf.&nbsp;&nbsp; and the freq. i would like to have would be in the 30 to 35 hz range..any input would be very helpful.thanksDR</blockquote>

[QUOTE="DangerRanger00, post: 3286169, member: 570905"] ok, Some may remeber my thread on the blowthrough. well i have desited to go a diffrent route, insted of cutting a hole in the cab and bed of the truck i am still paying on([IMG]//content.invisioncic.com/y282845/emoticons/uhoh.gif.c07307dd22ee7e63e22fc8e9c614d1fd.gif[/IMG]). i came across a deal on a sung top for 100bux. i jumped on it. now the problem is fig. up the port length and size for the box. i have desited on a sub up, port back design. the max dem. i can use is 40L x 40W x 15T, so i can still have a little usable bed space. the prob is that leaves me with gross. mesuremnt of 10.8cf witch is wayy bigger then i need. the min airspace i need is roughly 8.5 after driver and port displacment. the total driver displacement for the 4 drivers i will be using is .48cf. and the freq. i would like to have would be in the 30 to 35 hz range.. any input would be very helpful. thanks DR [/QUOTE]

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