VancouverIslandBass Posted August 25, 2010 Report Share Posted August 25, 2010 Hey all I got a 14 cubic foot box to place four 15s... I need to do a large style port on the top of the box... but my depth needs to be super long... and my box is only 18 inches tall... How would I do a port that goes down to the bottom of the box then bends like an L? I have soon tons of people do it... but how would I tune it? It seems pretty hard since im new to this. My only other option is to do a way smaller port on top so the port depth doesnt need to be as long. Quote Link to comment Share on other sites More sharing options...
VancouverIslandBass Posted August 25, 2010 Author Report Share Posted August 25, 2010 JUST LIKE THIS! http://i71.photobucket.com/albums/i157/jap4g4d/Box%20Build/P10303781024x576.jpg btw if anyone here is a box pro and can talk to me on msn, please add me. Quote Link to comment Share on other sites More sharing options...
Alex K Posted August 25, 2010 Report Share Posted August 25, 2010 Basically just keep in mind when you start the length, and it's longer than the depth of the box, (which means you'll need to bend the port) you need to keep it the same distance from the back of the box as the width of the port. Quote 2006 Nissan Z Track. My Feedback Thread i used to think a band pass was something you were around your neck or something. Link to comment Share on other sites More sharing options...
chapo123 Posted August 25, 2010 Report Share Posted August 25, 2010 just get a box designer bro. better to spend a little mroe then to ruin a box and start all over again... Quote Steve I don't know why but everytime I see your new paint I want a Dr. Pepper...... is this normal? heres an analogy for you. running a high power stereo without a fuse is like having unprotected sex with that hot chick at the bar with the sketchy sexual history. Sure you may be fine and nothing happens but that one time something does happen you're fucked. i dont want woofer broke like bass sound clip clip and voice coil overheat 2 sa12s, saz1500 build log http://www.stevemeadedesigns.com/board/topic/91183-chapo123s-sundown-build-log/page__gopid__1250604entry1250604 Link to comment Share on other sites More sharing options...
Alex K Posted August 25, 2010 Report Share Posted August 25, 2010 just get a box designer bro. better to spend a little mroe then to ruin a box and start all over again... True, but he would never really learn how to make a box correctly if he didn't try. It's really not that hard if you just follow torres calc and use common knowledge. Quote 2006 Nissan Z Track. My Feedback Thread i used to think a band pass was something you were around your neck or something. Link to comment Share on other sites More sharing options...
chapo123 Posted August 25, 2010 Report Share Posted August 25, 2010 yeah but i wouldnt trust myself doing this on a big box like taht that cost money lol maybe a 1 12 box or something Quote Steve I don't know why but everytime I see your new paint I want a Dr. Pepper...... is this normal? heres an analogy for you. running a high power stereo without a fuse is like having unprotected sex with that hot chick at the bar with the sketchy sexual history. Sure you may be fine and nothing happens but that one time something does happen you're fucked. i dont want woofer broke like bass sound clip clip and voice coil overheat 2 sa12s, saz1500 build log http://www.stevemeadedesigns.com/board/topic/91183-chapo123s-sundown-build-log/page__gopid__1250604entry1250604 Link to comment Share on other sites More sharing options...
Alex K Posted August 25, 2010 Report Share Posted August 25, 2010 Who says he has to start big? He could build a small box, hah. Not practical, but hey it would be practice. Quote 2006 Nissan Z Track. My Feedback Thread i used to think a band pass was something you were around your neck or something. Link to comment Share on other sites More sharing options...
bobonit Posted August 25, 2010 Report Share Posted August 25, 2010 Make sure you measure the length down the middle of the port, including in the turn. Don't measure the inside or the outside, just down the middle. Quote 97 Maxima SE Bunch of shit going in, check out the build Build Log Link to comment Share on other sites More sharing options...
Alex K Posted August 25, 2010 Report Share Posted August 25, 2010 Make sure you measure the length down the middle of the port, including in the turn. Don't measure the inside or the outside, just down the middle. This. Even though the lenghts are close to the same, it'll throw the tuning off a couple hertz. Go by the physical port length if you're measureing sides. Quote 2006 Nissan Z Track. My Feedback Thread i used to think a band pass was something you were around your neck or something. Link to comment Share on other sites More sharing options...
VancouverIslandBass Posted August 25, 2010 Author Report Share Posted August 25, 2010 Basically just keep in mind when you start the length, and it's longer than the depth of the box, (which means you'll need to bend the port) you need to keep it the same distance from the back of the box as the width of the port. Im still confused i fail Quote Link to comment Share on other sites More sharing options...
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