I have a downward firing box with 1 sub & 1 passive sub. Can I remove the passive sub and put an actual sub, or will this cause issues as far as clarity.
rickregal, you would have to remove both units, calculate the volume of the enclosure and find two subwoofer drivers that would operate together in that volume and fit the holes you have. Not likely. You might as well start all over.
Nothing wrong with a subwoofer with a passive radiator if it is designed well. The idea is to be someplace between a ported sub and a sealed sub. You get a somewhat improved efficiency of a ported sub with the extension of a sealed sub, and avoid the peaks that many ported subs have. they also tend to be easier to integrate. in your case with the kicker the enclosure is too small for another active sub try to increase amplifier power if you can if you want more bass.
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