Alvi45 Posted December 9, 2012 Author Report Share Posted December 9, 2012 i'm more concerened with the fact that your first post implies that you want to add 2 more subs to a box that was "custom built" for 2 . no bueno. Lol that's why I'm trying to find the volume because of I can add 2 more I would keep it ported but if not I'll have to have another built but sealed instead Link to comment Share on other sites More sharing options...
Alvi45 Posted December 9, 2012 Author Report Share Posted December 9, 2012 I was able to find a website that has the perfect volume calculator http://www.hometheatershack.com/forums/enclosure-volume-calculator/ Link to comment Share on other sites More sharing options...
Alvi45 Posted December 9, 2012 Author Report Share Posted December 9, 2012 http://i227.photobucket.com/albums/dd166/mayrahalvarado/20121029_181630.jpg Link to comment Share on other sites More sharing options...
Torres Posted December 9, 2012 Report Share Posted December 9, 2012 all the formulas listed here, regardless of whether they were right or wrong, failed to mention the need to divide by 1728 to get the volume in cubic feet. otherwise you're volume will be in cubic inches lol and chances are....if your box is built for those 2 subs, you're not going to be able to add 2 more. it was built for 2, not 4. unless you went sealed, which i believe i read you wanted to stay ported. Link to comment Share on other sites More sharing options...
Alvi45 Posted December 9, 2012 Author Report Share Posted December 9, 2012 all the formulas listed here, regardless of whether they were right or wrong, failed to mention the need to divide by 1728 to get the volume in cubic feet. otherwise you're volume will be in cubic inches lol and chances are....if your box is built for those 2 subs, you're not going to be able to add 2 more. it was built for 2, not 4. unless you went sealed, which i believe i read you wanted to stay ported. I actually never said I preferred to stay ported I simply asked if I could stay ported or if I would have to go sealed if I added 2 more subs Link to comment Share on other sites More sharing options...
808faka Posted December 10, 2012 Report Share Posted December 10, 2012 make a new box for 4 and stay ported that would probably get the loudest. Link to comment Share on other sites More sharing options...
Alvi45 Posted December 10, 2012 Author Report Share Posted December 10, 2012 These sundowns are good for .5 ft^3 ported so if I can get 2.0ft^3 I'll have another made for 4 subs but if I can't get .5 these subs are good for .28ft^3 so I'll go sealed Link to comment Share on other sites More sharing options...
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