sub box help

[bsheltry55 10+ year member]

i have a 15'' ma audio hk15x2 4000W and the box specs for a ported box says 5 c/ft but i couldnt find a box the big i could only find ons like 3.5. would that make a big difference in the output? or does anyone kno where i could pick up a nice ported box

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[7ender 10+ year member]

Make one, like everyone else does. Or have someone on here make you one. Never buy a prefab...

 

[jake760 10+ year member]

Build one it will be 1000X better than a prefab. I just built 4.5 @ 33 the other day, the box slams. Feel free to use the plans: http://www.caraudio.com/forum/showthread.php?t=430540

 

[bsheltry55 10+ year member]

alright thanks yea i will prob use it but wat do people mean by tuning their box to 33hz or what ever? also does it matter how big the port is?

 

[jerseymike68 10+ year member]

Thank You!