IH8PunkRok Posted April 13, 2011 Author Report Share Posted April 13, 2011 ok then do a 4th order with a 3:1 ratio It's not a bandpass. It's a ported blow through. The line on the front must be throwing you off. That line is marking the perimeter of the box, there's not piece of wood there. Or, that's what I'm getting from this. yeah what this dude said Quote -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
speedball1978 Posted April 13, 2011 Report Share Posted April 13, 2011 thats what i thought it was but wasn't sure if he was just drawing up a sketch of an idea or whatnot... but i have no experience with those kind of boxes, but my guess would be he would need lots of airspace for this type of blowthru for 6-8 inchers...since its going into a trunk with limited space Quote Link to comment Share on other sites More sharing options...
IH8PunkRok Posted April 13, 2011 Author Report Share Posted April 13, 2011 why would i need lots of airspace? its just a ported box. all i want to know is how much of the tunnel area length i can use for port Quote -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
IH8PunkRok Posted April 13, 2011 Author Report Share Posted April 13, 2011 Sani said to compensate for the tunnel effect double end correction, for anyone else wondering. Box design is done and will be ordering subs this friday be looking for a new build Quote -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
nCOMP1337 Posted April 13, 2011 Report Share Posted April 13, 2011 I told you sani would be the guy to ask, sounds like you got it figured out, good deal, looking forward to build Quote Link to comment Share on other sites More sharing options...
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