Decaf Posted November 7, 2007 Report Share Posted November 7, 2007 Rft1001bd, 15 Fi Q, tuned to 30-32hz, 2001 mits eclipse, all neccesary upgrades done but i need to know which design will be better. 1) should i do port up, sub up only problem is hatch would be within 1 inch of woofers excursion if sub on top and port would be closest to back seat so i dont know if air flow will be reduced, 4cuft 2) should i do sub up port backonly problem is box size is reduced from 4cuft to 3.4 to accomidate room for port to "breathe" (port would have 4.5" from inside of trunk) 3) should i do port back sub back only problem is its a 15 and the boxes max height can only be 16", so i would need to reinforce the dual baffle with resin = more money, 3.4cuft 4) should i do port forward sub up only problem is the port will be blocked by rear folding seat(which could be down if neccessary), but i can make it 4cuft which will sound the best. im not worried about spl, since it will be there anyways, but which would be the best setup o and using 13ply birch so i dont want to make 2 boxes since its $40 a 4x8 sheet Link to comment Share on other sites More sharing options...
andym85 Posted November 7, 2007 Report Share Posted November 7, 2007 i say number 2, sub up port back...that 15 recommends anything from 2.8-4cubes...so it should be fine...imo i likes me some audio stuff... Link to comment Share on other sites More sharing options...
Decaf Posted November 7, 2007 Author Report Share Posted November 7, 2007 thanks amatt for fast response as always... anyone have experience with hatches and have input...!!!!???? pics will come sun. only thing left to do is hook up and build box. thanks for anyone who helped me on this forum from day 1 Link to comment Share on other sites More sharing options...
dwright27 Posted November 7, 2007 Report Share Posted November 7, 2007 sub up port back ftw! in a hatchback. 2006 F-150 4 DC XL M2 18's Walled Daily Driver XS Power 4 DC 3.5kw Team DC Team S.P.L. Lot of Audio Technix and 1/0 DC Audio Dealer American Bass Dealer XS Power Dealer Audio Technix Dealer Link to comment Share on other sites More sharing options...
David Posted November 7, 2007 Report Share Posted November 7, 2007 sub up port up sounds better IMO, christians intregra sounds better sub/port thn sub up/port back, and a tiny bit louder to. Link to comment Share on other sites More sharing options...
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