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Message: <blockquote data-quote="xluben" data-source="post: 2510162" data-attributes="member: 568852">do you realize you need to account for port and sub displacement when figuring net volume?so for that 3" port and a 10" sub you could assume around 0.12ft^3 of displacement.but that recommended port is only 7in^2 of port area and tunes the box to 38Hz.port is too small, and tuned too high.i'd go for at least two four inch ports (for both subs combined) and tune to 35Hz or lower if possible.assuming a decent amount of driver displacement and the correct port displacement:to get a 2ft^3 box tuned to 32Hz you need:2.65ft^3 of internal volume (before displacement)two, 4" diameter ports, each 30" longjust an example, but i hope that helps!</blockquote>

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