Nivram Posted January 17, 2012 Author Report Share Posted January 17, 2012 the sub woofer specs say the sub need 3.7 cubes for spl box Quote Walled 2002 buick century A.K.A "Betty sue" polk 5 1/2 front doors 4 3in pillar speakers DD 3518's AQ 3500 v2 90ft of 0/1 ga tuned to 40hz :build: http://www.stevemeadedesigns.com/board/topic/162721-buick-built-in-trunk-fi-sp4-hifonics-2400/ Link to comment Share on other sites More sharing options...
Nivram Posted January 17, 2012 Author Report Share Posted January 17, 2012 i cant download any programs because i have a mac computer Quote Walled 2002 buick century A.K.A "Betty sue" polk 5 1/2 front doors 4 3in pillar speakers DD 3518's AQ 3500 v2 90ft of 0/1 ga tuned to 40hz :build: http://www.stevemeadedesigns.com/board/topic/162721-buick-built-in-trunk-fi-sp4-hifonics-2400/ Link to comment Share on other sites More sharing options...
Robert8252 Posted January 17, 2012 Report Share Posted January 17, 2012 Just build a wallin the center of the box and run sealed. It will sound fine. You don't have the space for it. I'm guessing this is in a trunk. Two 12s max unless you custom build the box in the trunk And always design the entire box before you build. Never guesstimate and hope. Quote 2013 F150 Crew Cab Old Build Log Feedback 2013 F150 Equipment - Some Awesome Stereo Sound Making Stuff Link to comment Share on other sites More sharing options...
Joe X Posted January 17, 2012 Report Share Posted January 17, 2012 To tune check this out: http://www.carstereo.com/help/Articles.cfm?id=31 The the subs displacement and port displacement needs to be taken into account to have a valid net internal volume they ask for. Quote Link to comment Share on other sites More sharing options...
Nivram Posted January 17, 2012 Author Report Share Posted January 17, 2012 ^ epic!! thanks!! Quote Walled 2002 buick century A.K.A "Betty sue" polk 5 1/2 front doors 4 3in pillar speakers DD 3518's AQ 3500 v2 90ft of 0/1 ga tuned to 40hz :build: http://www.stevemeadedesigns.com/board/topic/162721-buick-built-in-trunk-fi-sp4-hifonics-2400/ Link to comment Share on other sites More sharing options...
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