faralint Posted April 18, 2014 Author Report Share Posted April 18, 2014 i know this is a few days old but still wanted to give OP my input, i have 2 trunk cars using only 2 12s each car, both of them burping over 151 dbs legal on small power and electrical, both cars has a "terry brocks" kind of box, if i were you, i would build a box for comps and a daily box, don´t mix both of them because it would get WAY more difficult to get a sick score. Box needs to be as far back as you can, port needs to be as close to the "mouth" of the trunk so the cabin acts like a 6th order bandpass, here you have both boxes, as you can see, one has longer ports to reach the "trunk mouth" and the other one has shorter to reach it also, both boxes has the same port area (one has 2 6s and the other one a single 8.5" port) , with a pair of 15s on a 10K you should be burping over 152 dbs. Mazda protege 323: 151.3 @ 53 hz , 2 loudforce 9012s on a loudforce 3500.1 WHat about sub up. Port forward? like terry with 4 12" Build log - http://www.stevemeadedesigns.com/board/topic/173832-audi-a6-trunk-build/page-3 Link to comment Share on other sites More sharing options...
fecupe2001 Posted April 20, 2014 Report Share Posted April 20, 2014 that should work as long as you have a lot of coils and motor force in my opinion, if you plan to do 2 15s using subs up/port forward i dont think it would get that efficient I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
faralint Posted April 20, 2014 Author Report Share Posted April 20, 2014 that should work as long as you have a lot of coils and motor force in my opinion, if you plan to do 2 15s using subs up/port forward i dont think it would get that efficient May be sub to the forward and port to the side? Becouse if I run sub and port to forward. I can fit onle one 8" port Build log - http://www.stevemeadedesigns.com/board/topic/173832-audi-a6-trunk-build/page-3 Link to comment Share on other sites More sharing options...
fecupe2001 Posted April 21, 2014 Report Share Posted April 21, 2014 sure you cant fit a 8.5" port with 2 15s??? that sounds weird, what car is it again? 8" aero still should work I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
faralint Posted April 21, 2014 Author Report Share Posted April 21, 2014 sure you cant fit a 8.5" port with 2 15s??? that sounds weird, what car is it again? 8" aero still should work Audi a6 c5. wide of car trunk is - 41" total. 31.5 - sub's 9.5 for the port. but with flires. Only 8" (internal 7.5"). Build log - http://www.stevemeadedesigns.com/board/topic/173832-audi-a6-trunk-build/page-3 Link to comment Share on other sites More sharing options...
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