ported box

[bopo668 10+ year member]

i want to build a ported box to fit my blazer and the biggest i can go is 37x28x13.5 but i dont know how big the port needs to be because iv only build sealed and this is my first time so im a nooby coming in to this and its for 2 12 comp kicker subs

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[05gliguy 10+ year member]

what are your demensions? 37 w 28 d 13.5 h?

 

[bopo668 10+ year member]

13.5 h, 37 l, 28 w

 

[05gliguy 10+ year member]

I know people always say bad things about manufacturer's box specs, but for a first build you could always start there

 

[bopo668 10+ year member]

yeah they are 2.2ft3 + port displacement 2.0x12.5 port, 16.375 but how do i know what its tuned to or does it mader