Someone want to double check me here before I build this thing

[iwearpro 10+ year member]

Ok im going to run a DD9510 and be tuned to 40hz with 3"aeroports...My calculation comes up with 3" aeroports x2 9.71" each...

I set the box to 2 cubes to take in consideration port space and sub displacement.

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[iwearpro 10+ year member]

no-one have any input?

 

[iwearpro 10+ year member]

Anyone have input in this before I build this? Im building it out of Birch so I dont want to build several...lol..