98_sport Posted February 19, 2013 Report Share Posted February 19, 2013 I'm currently running two alpine type-R model SWR-1243Ds. I was wanting to build a box with the subs firing upwards and the port towards the rear. I'm going to be running a square port. I will be using a router and rounding the edges off and all around the box. I need help with some specs to build a box. the subwoofers specs are: Ideal Ported Volume: 1.5 ft^3/woofer Vas (liters): 38 Fs (Hz): 31 Qts: 0.53 Xmax (millimeters): 20 I listen to a good mixture of music; Rock, country, rap. Not much metal or anything. I'm thinking around 28-32Hz port tuning? I'm a pretty good builder but I really lack when it comes to the math involved with building speaker enclosures. I'm working with a '98 Ford Explorer Sport (the two door model explorer) I plan on using a sheet of MDF and raising the floor and running all wires and amps below the box with a plexi-glass cover over the amp. Any help with box and cut measurements would be awesome. Link to comment Share on other sites More sharing options...
Joe X Posted February 19, 2013 Report Share Posted February 19, 2013 Here is a suggestion: Enclosure Specifications:Fb = 34.3 HzVb = 4 ft^3External Height = 16.75 inExternal Width = 37 inExternal Depth = 19 inPort Width = 15 inPort Height = 3 1/2 inCut Sheet List:* All Dimensions in Inches.* Wood Thickness is 3/4 for all Parts.External Enclosure Parts:2 x Top & Bottom (3 parts) = 37 x 19Left & Right Sides = 17 1/2 x 14 1/2Front & Back = 37 x 14 1/2L Port Internal Assembly Parts:Front to Back = 14 x 16 1/2Extension = 3 x 16 1/2Port Left Side Assembly:14 x 3 1/27 1/4 x 3 1/2Port Right Side Assembly:14 x 3 1/27 1/4 x 3 1/2 Assembly guide (generic dimensions): Important notes:- The port needs 3 1/2" of free airspace in front of it for proper operation.- Setting your amp subsonic filter to 28Hz is suggested. Link to comment Share on other sites More sharing options...
Cwilds@skaraudio Posted February 19, 2013 Report Share Posted February 19, 2013 Joe, I need help as well. I'm trying to make a 6th order wall for 2 vvx 15's what box designer program do you recommend? Link to comment Share on other sites More sharing options...
98_sport Posted February 19, 2013 Author Report Share Posted February 19, 2013 Thats not bad. I was thinking more of like this but that is a pretty good design. Would that sound better than the above? Link to comment Share on other sites More sharing options...
Joe X Posted February 20, 2013 Report Share Posted February 20, 2013 . Link to comment Share on other sites More sharing options...
98_sport Posted February 20, 2013 Author Report Share Posted February 20, 2013 I'm not too worried about all that. I've taken shop class and have been NCCER certified for a while, i know my way around with wood and tools. And I have probably 3-4 large sheets of MDF at my disposal. Either way, Thanks very much on all the info, I'd appreciate if you could maybe get specs on the second box you sent a render of? Link to comment Share on other sites More sharing options...
Joe X Posted February 20, 2013 Report Share Posted February 20, 2013 I'm not too worried about all that. I've taken shop class and have been NCCER certified for a while, i know my way around with wood and tools. And I have probably 3-4 large sheets of MDF at my disposal. Either way, Thanks very much on all the info, I'd appreciate if you could maybe get specs on the second box you sent a render of? So I added above a port across the bottom version. Link to comment Share on other sites More sharing options...
98_sport Posted February 20, 2013 Author Report Share Posted February 20, 2013 I appreciate all the help, I'm going to get ready to start building it as soon as possible. Link to comment Share on other sites More sharing options...
Joe X Posted February 20, 2013 Report Share Posted February 20, 2013 Happy building, ant questions let me know. Link to comment Share on other sites More sharing options...
halbisen75 Posted April 11, 2013 Report Share Posted April 11, 2013 Hello there...new to forum... need some help with demensions for a box for best possible sound n of course, thundering bass...available space in 08 civic is 32Wx25Dx18H...was wondering port opening width n length? demensions could possible have to be changed due to opening...but only by a inch width n depth...id appreciate any help...speaker is a 15 L7 Link to comment Share on other sites More sharing options...
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