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Message: <blockquote data-quote="PowerNaudio" data-source="post: 1133472" data-attributes="member: 561215">190m/s @ 48hz and you say the noise was minimal.most likely the bass was drowning it from being super noticeable.on one of my experimental boxes i stuck a 2" port 10" long tuned at 31hz or 32hz box was 1.12cu ft. for a 12" sub pushing it with a 300wrms amp, the port noise would peak at 65.9m/s at 25hz and i could hear port noise from like the 50hz~55hz down, gradually louder till like high 20s where all you could hear was port noise. lol.i guess the position of the port in relation to driver will play a big factor in, if you hear it or not.is the sub louder then the port noise and things, but if there is port noise then the port is just too small.</blockquote>

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