mason313 Posted September 14, 2010 Report Share Posted September 14, 2010 I have 2 18" fi btls that are fully loaded that I want to build a box for. I will be running one crescendo 3k for now and another one in the near futher. I have a 04 yukon denali xl so space isn't a problem but I want to keep it below the window line. Thanks Quote 2 18" fi btls 2 sprinter batts 165ah 1 cresenscdo 3k 1 mechman 270a 1 kinetik 2000 under hood Link to comment Share on other sites More sharing options...
moto211 Posted September 15, 2010 Report Share Posted September 15, 2010 bigger the better , if you want to stay below the window line , i think you can fit 12 cubic feet, speakers up , port in the back , you should have a winner ohh yea lots of bracing Quote CHECK OUT MY YOU TUBE PAGE http://www.youtube.com/user/motoxxx211?feature=mhee[/size] Link to comment Share on other sites More sharing options...
chapo123 Posted September 15, 2010 Report Share Posted September 15, 2010 bigger the better , if you want to stay below the window line , i think you can fit 12 cubic feet, speakers up , port in the back , you should have a winner ohh yea lots of bracing pretty sure he can do more then that? in steves tahoe didnt he have his btls in a little under 5 cubes each? 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...
mason313 Posted September 15, 2010 Author Report Share Posted September 15, 2010 Yeai got the xl so longer and don't mind losing the 3rd row Quote 2 18" fi btls 2 sprinter batts 165ah 1 cresenscdo 3k 1 mechman 270a 1 kinetik 2000 under hood Link to comment Share on other sites More sharing options...
fox_racin4 Posted September 15, 2010 Report Share Posted September 15, 2010 i have a 18 BTL fully loaded in 5.75 cubes and i cant even move it on 3k it took 6000rms in the same box no problem at all id say about 8 cubes each... Quote 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
moto211 Posted September 15, 2010 Report Share Posted September 15, 2010 yea about 12 under the window line, if space is not an problem go as big as you want , the bigger the the more db,s , in my truck i had a 23 cubic foot box , 2 18 i hit 151.2 and then i changed to 12, 12s and hit a 152 , just make sure the box is build very strong , 18,s have a ton of power, it will flex 3/4 mdf no problem a few layers of 1 inch should be fine ... Quote CHECK OUT MY YOU TUBE PAGE http://www.youtube.com/user/motoxxx211?feature=mhee[/size] Link to comment Share on other sites More sharing options...
mason313 Posted September 15, 2010 Author Report Share Posted September 15, 2010 My buddy that's helping me build my box said I should do 12 cubes so I have better cone control?? Quote 2 18" fi btls 2 sprinter batts 165ah 1 cresenscdo 3k 1 mechman 270a 1 kinetik 2000 under hood Link to comment Share on other sites More sharing options...
moto211 Posted September 16, 2010 Report Share Posted September 16, 2010 yea if you want , if you tune it right you should be fine , i had a box in my truck that was about 13 for 2 12 and hit about 147.0 . up to you . Quote CHECK OUT MY YOU TUBE PAGE http://www.youtube.com/user/motoxxx211?feature=mhee[/size] Link to comment Share on other sites More sharing options...
fox_racin4 Posted September 17, 2010 Report Share Posted September 17, 2010 the subs will bearly move in 6 cubes on 3k... do about 16 cubes mine was in 5.7 on 3k and i couldent even move the sub more then 1/2 an inch i ran 6k to it no problem in the same box.. Quote 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
mason313 Posted September 17, 2010 Author Report Share Posted September 17, 2010 I do plan on getting another crescendo 3k Quote 2 18" fi btls 2 sprinter batts 165ah 1 cresenscdo 3k 1 mechman 270a 1 kinetik 2000 under hood Link to comment Share on other sites More sharing options...
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