brandon9491 Posted July 1, 2012 Report Share Posted July 1, 2012 I just ordered a skar audio ivx 15, and im ganna build a box for it. i wanna tune it low, around 30 hz, and im wondering how much port area im ganna need. no demensions yet, gatta measure it tommorow after work. Quote Link to comment Share on other sites More sharing options...
Joe X Posted July 1, 2012 Report Share Posted July 1, 2012 14-15 square inches of port area PER cubic feet of net volume can work, If you post your dims, car and amp models, I can give you a design suggestion for you to evaluate. Quote Link to comment Share on other sites More sharing options...
RAM_Designs Posted July 1, 2012 Report Share Posted July 1, 2012 What vehicle is this going in? Quote Ryan Miskin - owner of RAM Designs I have my PM's turned off, please email at <script data-cfhash='f9e31' type="text/javascript"> /* */</script> 2200+ designs since March 2011... Link to comment Share on other sites More sharing options...
Ddub847 Posted July 1, 2012 Report Share Posted July 1, 2012 i got mine in 3.8 cubes tuned to 28 hz with 55 inches of port. Off of 240 watts. It gets real low Quote Link to comment Share on other sites More sharing options...
brandon9491 Posted July 1, 2012 Author Report Share Posted July 1, 2012 What vehicle is this going in? its going on my backseat of my 2004 silverado 1500 ext cab, im going to have it behind the drivers seat. Quote Link to comment Share on other sites More sharing options...
brandon9491 Posted July 1, 2012 Author Report Share Posted July 1, 2012 14-15 square inches of port area PER cubic feet of net volume can work, If you post your dims, car and amp models, I can give you a design suggestion for you to evaluate. ill get the deminsions after work today, 2004 silverado 1500 ext cab, i want the box behind the drivers seat. orion cobalt 800.1 Quote Link to comment Share on other sites More sharing options...
412 CVX Posted July 1, 2012 Report Share Posted July 1, 2012 naw, i'd say 13 to 14 at most. if you want to tune low it's gonna be harder the more port area you have. you don't have a whole shitton of power going to them, so there's not a lot of need for the extra port area. Quote Just say no to Ground Pounder Customs. My temp system build log More box buildssome cars do over 170db with one sub, so clearly my two 12"s can do that in my car, with my knowledge too! look out bitches! I'm with captain stupid. Link to comment Share on other sites More sharing options...
412 CVX Posted July 1, 2012 Report Share Posted July 1, 2012 I wouldn't use Joe X's suggestion either. He still hasn't proven that he knows what he's doing. he pretty much just copy's and pastes everything. Quote Just say no to Ground Pounder Customs. My temp system build log More box buildssome cars do over 170db with one sub, so clearly my two 12"s can do that in my car, with my knowledge too! look out bitches! I'm with captain stupid. Link to comment Share on other sites More sharing options...
bkolfo4 Posted July 1, 2012 Report Share Posted July 1, 2012 I wouldn't use Joe X's suggestion either. He still hasn't proven that he knows what he's doing. he pretty much just copy's and pastes everything. Cut and paste, whatever he is doing normally looks pretty good. Both of you still have not figured out port area is NOT related to box volume. And I find it funny he suggested 15-16 sqin and you suggest 13-14. In a 3-4 cuft box, 6-8 sqin difference in your suggestions and you jump on him??? Thats funny. . . Quote Current system: 1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s Previous systems: 2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz. 1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz. Link to comment Share on other sites More sharing options...
memphisBred Posted July 1, 2012 Report Share Posted July 1, 2012 He seems to think he's better than Joe. Not the first time he's put him down. Also didn't you, 412, put 45's in the sealed section of a 4th order design. Quote SMD Super Seller/Buyer Audison----Hertz----Rainbow Link to comment Share on other sites More sharing options...
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