detroitdb Posted February 28, 2013 Report Share Posted February 28, 2013 In a Hummer H3, 1 atomic apx-18 d2. Would a 4th order (rear chamber 3 cf sealed, front chamber 6 cft tuned @ 72hz 100 sq inch of port 8" long) or a 6th order (i would need some help from the pros) which one would i get the best spl from? thanks https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
97Jetta1637 Posted February 28, 2013 Report Share Posted February 28, 2013 change the tire pressure to 44hz and tune by smell. #teamihop Two 12 inch DC XL's Carbon Fiber Cap Stetsom 7k Shell of box / baffle built by me Port / sealing the box by John Hone Fuck midrange Alpine-9886 http://www.stevemeadedesigns.com/board/topic/177428-97jettas-sql-trunk-wall-loudest-99-buick-century-custom-with-a-one-legged-owner/ price has no influence on how something sounds I told him to move the fucking port. they see me hoppin they stoppin they can't believe im so white and dirty It looks like you got so drunk, that someone came up and stole your leg. Link to comment Share on other sites More sharing options...
purplesyrup Posted February 28, 2013 Report Share Posted February 28, 2013 Its hard to say without some trial and error involved, knowing the resonant frequency of your vehicle, I am no 4th or 6th order expert at all either though, Link to comment Share on other sites More sharing options...
detroitdb Posted February 28, 2013 Author Report Share Posted February 28, 2013 now that wasnt nice...I just got over the fact im driving a chick vehicle lol change the tire pressure to 44hz and tune by smell. https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
tacomaguy1 Posted February 28, 2013 Report Share Posted February 28, 2013 Regular ported, sub up and port back Team Flex Issues Link to comment Share on other sites More sharing options...
97Jetta1637 Posted February 28, 2013 Report Share Posted February 28, 2013 alright alright, i'll be helpful. build it yourself because no one will tell you what is going to be louder. #teamihop Two 12 inch DC XL's Carbon Fiber Cap Stetsom 7k Shell of box / baffle built by me Port / sealing the box by John Hone Fuck midrange Alpine-9886 http://www.stevemeadedesigns.com/board/topic/177428-97jettas-sql-trunk-wall-loudest-99-buick-century-custom-with-a-one-legged-owner/ price has no influence on how something sounds I told him to move the fucking port. they see me hoppin they stoppin they can't believe im so white and dirty It looks like you got so drunk, that someone came up and stole your leg. Link to comment Share on other sites More sharing options...
stroupe79 Posted February 28, 2013 Report Share Posted February 28, 2013 why do you want to tune a 4th to 72hz?....most 4th are tuned in the 40s-50s now I could see tuning the front chamber of a 6th 72hz and the rear in the 30s http://www.stevemead...cherokee-build/ 2005 Jeep Grand Cherokee Alpine CDE-hd148bt Alpine PKG-RSE2 PRV Audio (4) 6MB200 front/rear doors PRV Audio (4) TW350Ti dash/rear doors Kicker KX350.4 Obsidian Audio (1) 18 D4 v2 revamp (2) Stereo Integrity HT 18d2DC Audio 1.2k5.25ft^3 tuned @34hz revamp Infinite Baffle Cpillar AudioTechnix 60mil deadenerKnuKonceptz & SkyHigh wire (complete setup) Link to comment Share on other sites More sharing options...
detroitdb Posted February 28, 2013 Author Report Share Posted February 28, 2013 why do you want to tune a 4th to 72hz?....most 4th are tuned in the 40s-50s now I could see tuning the front chamber of a 6th 72hz and the rear in the 30s Actually that spec came from atomics website, I thought it sounded crazy high too. After learning of the smd forum, I cant believe how much I truly dont know about car audio. I could always install and figure out anything you could throw at me. (except enclosure building) but i am learning more every day. https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
Goblenator Posted February 28, 2013 Report Share Posted February 28, 2013 change the tire pressure to 44hz and tune by smell. LOL Link to comment Share on other sites More sharing options...
Goblenator Posted February 28, 2013 Report Share Posted February 28, 2013 why do you want to tune a 4th to 72hz?....most 4th are tuned in the 40s-50s now I could see tuning the front chamber of a 6th 72hz and the rear in the 30s Actually that spec came from atomics website, I thought it sounded crazy high too. After learning of the smd forum, I cant believe how much I truly dont know about car audio. I could always install and figure out anything you could throw at me. (except enclosure building) but i am learning more every day. don't listen to the atomic website specs. are u looking for peak spl or good output on music? Link to comment Share on other sites More sharing options...
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