sealed w3

[mac bleeze 10+ year member]

got to confusing for ported. wonderin if it would be a problem having the depth 20 inches..box will be in seperate chambers and be getting about 1.3 cf each. well im jus wondering if thats coo.. well jus to let u kno the dimensions would be 31x15x20.. i had the subs before in a box 31x15x12. wondering if that extra 8 inches will increase in spl or sq or decrease or what ever..

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[gunny86 10+ year member]

It will maybe have a slight impact and raise SPL and and lower SQ a tad, but it will mostly raise efficiency.