Camm.eng Posted February 18, 2013 Report Share Posted February 18, 2013 Alright so after doing a bunch of research on here, I thought I'd get some opinions on this box build. I just want a simple design (L Port seems best) built to the specs of the subs. This box is for two Sundown E8v3's. The subs need between 0.5-0.75 cubic feet each. This is what I have come up with on Torres. Height - 12 Width - 30 Depth - 11.5 Port Dimensions Height - 10.5 Width - 1.75 Length - 24 Woofer Displacement - 0.1 Common Port Walls - 3 When I put that all in, I get a net volume of 1.36cubic feet, tuned frequency of 35.78 and a port area per foot of 13.51. I know I could of hit print screen but it wouldn't let me post it. I would also put up the screenshot from the Re calculator for a quick visualization, but again, that didn't work for me. I want to also ask, is a 1.75 inch port too small? It is the largest port size I could go with to get a tuned frequency of around 35Hz. Another questions is will it make any difference to put the subs on the top instead of the wall with the port? I just want to do this so with the space left in the trunk, I can still put stuff in there without anything hitting the woofers. This will be my first build so any help would be much appreciated. Thanks! Link to comment Share on other sites More sharing options...
Camm.eng Posted February 20, 2013 Author Report Share Posted February 20, 2013 How can I post my screenshot? It tells me I'm not allowed to use the image extension on this community. Link to comment Share on other sites More sharing options...
Mobileaudio25 Posted February 20, 2013 Report Share Posted February 20, 2013 13 will work, but is go for 15-16 inches of port area per cube... You'll get it tuned right, it will just take some playing around with. 35hz is good Link to comment Share on other sites More sharing options...
Camm.eng Posted February 20, 2013 Author Report Share Posted February 20, 2013 Hmm and a 1.75 inch port shouldn't be a problem? Link to comment Share on other sites More sharing options...
Mobileaudio25 Posted February 20, 2013 Report Share Posted February 20, 2013 It will work, just keep at least 1.75 Inch wide port the whole length... But like I said I'd play with the numbers a little more and you'd be able to achieve 15-16 surface area of inches per port. Personally id playing with the numbers a little more ... Link to comment Share on other sites More sharing options...
Camm.eng Posted February 20, 2013 Author Report Share Posted February 20, 2013 Link to comment Share on other sites More sharing options...
Camm.eng Posted February 20, 2013 Author Report Share Posted February 20, 2013 This is what I have originally. It may be hard to see but it was the only way I could get it to work. It wouldn't even let me edit the post but whatever...you get the point. Link to comment Share on other sites More sharing options...
Joe X Posted February 20, 2013 Report Share Posted February 20, 2013 For use on a bit above rated power here is a similar design: Enclosure Specifications:Fb = 34.5 HzVb = 1.2 ft^3External Height = 12 inExternal Width = 29 inExternal Depth = 12.375 inPort Width = 1 7/8 inCut Sheet List:* All Dimensions in Inches.* Wood Thickness is 3/4 for all Parts.External Enclosure Parts:Front = 26 3/8 x 10 1/2Back = 29 x 10 1/2Left & Right Sides:Side 1 = 10 7/8 x 10 1/2Side 2 = 11 5/8 x 10 1/2Top & Bottom = 29 x 12 3/8L Port Internal Assembly Parts:Front to Back = 9 x 10 1/2Extension = 20 x 10 1/2 Link to comment Share on other sites More sharing options...
Mobileaudio25 Posted February 20, 2013 Report Share Posted February 20, 2013 Go with what joe says.... He knows enclosures very well Link to comment Share on other sites More sharing options...
Camm.eng Posted February 21, 2013 Author Report Share Posted February 21, 2013 Will it make any difference on the same box to mount the subs on top? Link to comment Share on other sites More sharing options...
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