How is the box size and port area caculated for a sub ? My manual says it has a range of 0.75 to 1.75 with fb=35 is this pretty much a standered? or is this speaker brand specific?
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has anyone upgraded a 10 inch punch hx2 to a 12 from another company such as dd,dc? if so and i were to get a dc 12 basket and a lvl 3 recone will the sub accept 600wrms as the original dc lvl3?