MNBEAST Posted June 4, 2014 Report Share Posted June 4, 2014 [sharedmedia=garage:vehicles:2820]4 cuft net 11sq in port per cuft. @32 hzMost of my music is around 30hz so I dont know if I should go with more port area? The sub will be in the rear deck and ported thrue the arm rest hole. The Woofer will be a Precision Power PH-15 sound qubed HDS315!!!! Powerd by a Precision Power PPI BK1800.1D. something cheep BTW this is a budget build. DC lv 4 18" 7cuft 31hz shaken the dash with .6krms LOL Link to comment Share on other sites More sharing options...
slowfkncar Posted June 4, 2014 Report Share Posted June 4, 2014 4ft net not to much for that small of a driver? Try shrinking net volume to 3 Link to comment Share on other sites More sharing options...
MNBEAST Posted June 4, 2014 Author Report Share Posted June 4, 2014 I could shrink it to 3 but then Im having trouble keeping the tuning and port lenght acceptable. DC lv 4 18" 7cuft 31hz shaken the dash with .6krms LOL Link to comment Share on other sites More sharing options...
MNBEAST Posted June 4, 2014 Author Report Share Posted June 4, 2014 I guess my question is will 11 sqin of port affect output? its not like this sub has a ton of xmax???? DC lv 4 18" 7cuft 31hz shaken the dash with .6krms LOL Link to comment Share on other sites More sharing options...
slowfkncar Posted June 4, 2014 Report Share Posted June 4, 2014 I could shrink it to 3 but then Im having trouble keeping the tuning and port lenght acceptable. Try 3 cubic feet net with 12 sq inches of port per cube. You will be fine with 3 cubes net. 4 cubes would probably destroy that sub assuming the woofer has loose softparts. Btw maximum reccomended vol is 2.75. I dont see how you are having trouble getting a 3 cube net box to 30hz. It would probably be around 4ft gross. Link to comment Share on other sites More sharing options...
Cj Kumz Posted June 4, 2014 Report Share Posted June 4, 2014 Firstly running your sub with double its rms rating(assuming 1ohm load) in a box bigger than recommended will just cause problems. You will end up messing your sub. I'm sure if you take your time you can come up with a 3 cube box. You could also send your dimensions and maybe we could help you abit Vw Polo Pioneer Deh-6050UB Sundown Saz-3500d DD Audio 9500 15'' 5.5 cubic feet box with 10 inch port @ 38hz I live to hear the Bass drop!!! Link to comment Share on other sites More sharing options...
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