jizazz12 Posted April 23, 2009 Report Posted April 23, 2009 hi all I'm in the process of building a box for two dc lvl4 15's,i was planning on using flare ports in fact i already bought them but find i just don't have the room for four 4 inch aero's.i have tubbed in the spare tire well and am going to build a box on top of the tub,all in all i have 8.05 cubes after speaker displacement and the box itself will be 16.5 x37x20 subs will be firing into the trunk figure i will use a slot port but have never built one looking for some help or advice from somebody who has a little more experience than i do with this thanks in advance looking to tune to 32 Hz and this is a daily driver subs will be getting 2000 watts. thanks in advance. 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters
Boon Posted April 23, 2009 Report Posted April 23, 2009 Can you fit 2 6" round ports? 10.x volts fo' life!
jizazz12 Posted April 23, 2009 Author Report Posted April 23, 2009 no i only have about four inch's on the baffle between subs. i thought about firing the ports up through the tub surface in front of the subs but not sure that would work. thats why i was thinking that a square vent or some sort of slot between the subs would be easier, just not sure what size to make vent. 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters
jizazz12 Posted April 23, 2009 Author Report Posted April 23, 2009 can some body take a look at these calculations and see if they make sense i want my port tuned to 32 Hz the info i got off of car audio help guide would make my port 15" h x3"w x 7.67"L, if this doesn't sound correct can some one please help me out . 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters
Moore941 Posted April 23, 2009 Report Posted April 23, 2009 can some body take a look at these calculations and see if they make sense i want my port tuned to 32 Hz the info i got off of car audio help guide would make my port 15" h x3"w x 7.67"L, if this doesn't sound correct can some one please help me out . Just letting u know thats gonna have port noise like a mofo , i dont have any of my stuff on me being that im at work but if someone else doesnt help with this ill try to a little later on tonight, right now u have 45 sq. inches of port, ur gonna want at least 80 but would be better off with 100-120 sq in's of port if u can get it, and just in case ur wondering lol sq inches its h*w 2000 White Dodge Durango 5.9L Flowmaster 40 Series through 2 1/2" with and open cat. 1 Dc lvl5 18 4 6.5 seleniums and 2 D200 Selenium Horns on Rockford 500.2 Big three upgrade and a kinetik HC1800 in the back with all 1/0g knu wire shootin for 145+
jizazz12 Posted April 23, 2009 Author Report Posted April 23, 2009 thanks for looking at this , this my first attempt at a slot/vent normally i just use aero ports so any help would be greatly appreciated thanks. 2007 Chevy Impala LS 1 Crescendo 3KWP 1Crescendo C1000/4 2 DC lvl 4 15's with lvl5 dual .7 coils 1Audio Control Matrix 1 Pioneer P880PRS 1 300 amp Iraggi alt All power runs done with Knu flex 0/1 guage 1 optima yellow top under the hood 1 XS 5100 and two Deka's in the trunk 4 Crescendo MP-8 mid bass drivers 2 DB Drive p5 5 D Pro Audio tweeters
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