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Join Date: Oct 2003
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in the monster cab, the port was going to be about 4" x 29" or so = 116 sq inches cross sectional area for two drivers.
in each of the smaller cabs, the port is going to be about 3" x 19" or so = 57 sq inches cross sectional area for one driver.
that is roughly the same amount of cross sectional area 'per driver' in both instances, thus they will perform pretty much the same from an air flow perspective.