in planning my next sub install i started thinking that the dimensions (cubic feet, tuning frequency and port area) which sub manufacturers list as optimal for their particular drivers. i would imagine that it is safe to assume that their recommendations take into account some degree of cabin gain in order to make the driver sound optimal where it is most likely going to be placed: in a car.
with that in mind, and the fact our boats have little to no cabin gain, are there any thoughts or theories on enclosure design that would be more effective/efficient in an open air marine environment? should we tune to higher frequencies? do will still need huge volumes and ports? thoughts?
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