BillKessel Posted August 25, 2012 Report Share Posted August 25, 2012 how accurate is precision port? i have this.. Port Length calculator Volume of box in cubic feet 3.75 Tuning frequency 20 Port diameter 4 Number of ports 1 Flare port length req 20.65xxx does it account for port area range and what not? (3.75 for litter over because it does not have displacement input) this box is for 2 12's. Let me know if it auto calculates the right port area range and everything i just want to be sure before i spend all this money on wood and ports haha! Link to comment Share on other sites More sharing options...
412 CVX Posted August 25, 2012 Report Share Posted August 25, 2012 Is this box tuned to 20 hz? 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...
BillKessel Posted August 25, 2012 Author Report Share Posted August 25, 2012 Is this box tuned to 20 hz? yeah it is, im just trying some stuff out haha Link to comment Share on other sites More sharing options...
DustinBolt Posted August 25, 2012 Report Share Posted August 25, 2012 1 4 inch port isnt enough for 2 12 inch subs. 1997 BMW 528i Fi ssd 12 6th order box Build Log- http://www.stevemeadedesigns.com/board/topic/144835-rebuild-in-the-bmw-6th-order-time-update-1113/ Link to comment Share on other sites More sharing options...
BillKessel Posted August 25, 2012 Author Report Share Posted August 25, 2012 if i run bigger port it puts tuning at like 35, i want way low just to try out some stuff haha id need like a 30cf box to get it! Link to comment Share on other sites More sharing options...
CleanSierra Posted August 25, 2012 Report Share Posted August 25, 2012 What are you trying out? How NOT to get a majority of subs to give any output? Im not the one you want to try to troll. Just a fyi for you. Link to comment Share on other sites More sharing options...
412 CVX Posted August 25, 2012 Report Share Posted August 25, 2012 tune 30+ you'll get MUCH better output that way. go on youtube and play a 35hz tone. i think you'll be surprised. 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...
BillKessel Posted August 25, 2012 Author Report Share Posted August 25, 2012 tune 30+ you'll get MUCH better output that way. go on youtube and play a 35hz tone. i think you'll be surprised. I have a box that is tuned to 32 hz for daily im just playing with tuning, i want to do some shirt tricks maybe a hairtrick. thats why im tuning lower Link to comment Share on other sites More sharing options...
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