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Old 06-10-2013, 08:54 PM
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Default BOX for 4 DC level 4 18s

ok guys i been looking around on a couple forums and i cant find anyone who has made a box for 4 dc level 4 18s m2s im gonna be powering them with ab 750.1 im in a astro van..so space for box isnt issue i think im gonna get this box made these aren't exact specs but pretty close to the box i would get made unless proven otherwise for a better enclosure ..

i dont want only lows i dont want only spl io want a blend of the too!

49"w x 44"d x 27" h
recommended 23 net, tuned to 33-34 with 310" port loading off back hatch

heres pics of the box specs i have above im copying a buddys box




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Old 06-10-2013, 09:49 PM
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no 1?
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Old 06-10-2013, 10:00 PM
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box looks to tall and to much port. i dont think u need that much port. small port has more port velocity. the shorter i made my box the more a gained. and i went from almost 300inch of port to 200in of port and gained. but i never did get my M1 18's loud. in the same box my dc's did 149 ad then switched to crossfire xs 18's and got a 152. interested in what you end up doing and how loud u can get.
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Old 06-10-2013, 10:15 PM
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Originally Posted by massivespl View Post
box looks to tall and to much port. i dont think u need that much port. small port has more port velocity. the shorter i made my box the more a gained. and i went from almost 300inch of port to 200in of port and gained. but i never did get my M1 18's loud. in the same box my dc's did 149 ad then switched to crossfire xs 18's and got a 152. interested in what you end up doing and how loud u can get.

i did a 148.4 yesterday on music in this box which is crap..well not crap but not the best box...
with only sundown 2500.. so im curious to see what a box an adding my ab 750.1 will put me at deff over a 50 ..i want 52 but if i dont get it i wont be mad

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Old 06-10-2013, 10:20 PM
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my dc's did a 142 on 1000watt memphis amp and a 149 even on a dc 7.5k.weird shit
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Old 06-10-2013, 10:23 PM
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my dc's did a 142 on 1000watt memphis amp and a 149 even on a dc 7.5k.weird shit

so 6500 watts gave u 9db i hope my 5000 watts im adding with my 7.5 will get me 4 db lol

plus im in a van so im sure it may be alot diff..but i cant wait to see what ima get mostlikley 151.7 lol knowing my luck wont hit that 52


what did u have ur box tuned too?

my current box is 30hz but new one ima do like 33 34
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Old 06-10-2013, 10:24 PM
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Quote:
Originally Posted by Joe562MMA View Post
i did a 148.4 yesterday on music in this box which is crap..well not crap but not the best box...
with only sundown 2500.. so im curious to see what a box an adding my ab 750.1 will put me at deff over a 50 ..i want 52 but if i dont get it i wont be mad

with the port being huge and low power "sundown2500" thats how u got that 148. now put a 750.1 on it and ur gunna have some loading issues. this is from my experience. smaller port on a 750.1 will create more port velocity and will be louder.
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C-pillar flat wall best score: 158.6db
1 vital power 700.1 @ .33ohm
4 NSV3 18s
8 pwx crescendo 10s
Quad excessive amperage 350alts
4 juicebox 3100s
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Old 06-10-2013, 10:27 PM
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Originally Posted by massivespl View Post
with the port being huge and low power "sundown2500" thats how u got that 148. now put a 750.1 on it and ur gunna have some loading issues. this is from my experience. smaller port on a 750.1 will create more port velocity and will be louder.

im sure it would this box isnt ment for my vehicle it came out a tahoe just have it in there cuz i dont wanna fork out the money to build my next box just yet..once my second alt is wired an ready ill drop the 750 in see what it does

but b4 july 14th next comp in my area i should have box an alt all done
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