Duaber Posted February 23, 2010 Report Share Posted February 23, 2010 First find your internal volume http://www.the12volt.com/caraudio/boxcalcs.asp#rec Then you can calculate your portarea/length using this calculator http://www.psp-inc.com/tools.html Quote Team Sundown Team XS Power System: Car: 1997 Honda Accord Head unit: Alpine CDE-7870 Amp: 2 Sundown saz-1500 Battery: kinetik 1400 and 2400 Subs: 2 Audioque HD310 D2 Link to comment Share on other sites More sharing options...
SPL KID Posted February 24, 2010 Report Share Posted February 24, 2010 First find your internal volumehttp://www.the12volt.com/caraudio/boxcalcs.asp#rec Then you can calculate your portarea/length using this calculator http://www.psp-inc.com/tools.html dual port to 50 hz then cap one for daily to tune lower for street use! Quote NSPL 2001 Trunk 251-500 world champion. 2009 2nd place 0-1800 147.9 under 1800 watts. 2011 0-3601 Trunk Champion. No Typo Current 0-3600 Trunk WR Holder! 149.9 (0-1800) /147.5 (1801-3600) /???.? (3601-up) need new front window first! Learn to be quiet about what your workin on.. L O S E = (L)etting (O)thers (S)ee (E)verything Link to comment Share on other sites More sharing options...
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