AP Zoutes Posted September 18, 2006 Report Share Posted September 18, 2006 looks more like 5.28 Quote Link to comment Share on other sites More sharing options...
mtxcivic07 Posted September 18, 2006 Author Report Share Posted September 18, 2006 yeah that sounds bout right.. mtx recommends 38 hz.. do you know the port width and height with this info? Quote 18's in a wall to come....Its not all about the posts....check the member #... Link to comment Share on other sites More sharing options...
AP Zoutes Posted September 18, 2006 Report Share Posted September 18, 2006 what is the sub displacement Quote Link to comment Share on other sites More sharing options...
mtxcivic07 Posted September 18, 2006 Author Report Share Posted September 18, 2006 .15ft^3 Quote 18's in a wall to come....Its not all about the posts....check the member #... Link to comment Share on other sites More sharing options...
AP Zoutes Posted September 18, 2006 Report Share Posted September 18, 2006 to make it easier what exact mtx sub do you have? I will look it up @ mtx Quote Link to comment Share on other sites More sharing options...
SPLGEO Posted September 18, 2006 Report Share Posted September 18, 2006 do a vent 14.5x3x9.29 that will be 38 hz after displacement Quote 1995 Geo Prism . FI BTL 12 P chamfer, 3rdmagnet HIXMAX COIL 1/0 big 3 HIFONICS COLOSSUS 1.7 cubs tuned to 60hz in the works 2xTruck battery 1125 cca. Link to comment Share on other sites More sharing options...
mtxcivic07 Posted September 18, 2006 Author Report Share Posted September 18, 2006 two 15" MTX 7500's - http://www.mtx.com/caraudio/products/subwo...thunder7500.cfm Quote 18's in a wall to come....Its not all about the posts....check the member #... Link to comment Share on other sites More sharing options...
AP Zoutes Posted September 18, 2006 Report Share Posted September 18, 2006 Okay so you will have roughly 4.170 ft3 after sub and port displacement. I would suggest doubling all your walls by adding a 3/4" mdf to all walls externally if you have room. If you don't have room you'll need to shrink the internal dimensions, but assuming you do we end up with 4.17ft3. In Meade's box you have two square ports so to do two sqaure ports and tune to 38 hz they will be 2 x 13.5 x 21. Quote Link to comment Share on other sites More sharing options...
mtxcivic07 Posted September 18, 2006 Author Report Share Posted September 18, 2006 ok i understand that, but i never understand how you get how long that L-shaped piece at the back needs to be! that is the part that confuses the hell out of me Quote 18's in a wall to come....Its not all about the posts....check the member #... Link to comment Share on other sites More sharing options...
AP Zoutes Posted September 18, 2006 Report Share Posted September 18, 2006 internally your box is only 19.25" deep so the yellow area would be 4 x 13.5 x 16.25. the red area would be 2 x 13.5 x 4.75. Quote Link to comment Share on other sites More sharing options...
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