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I have also thought about tuning at 40 hz, but isn´t 40 hz a

high tuning frequency, because I have read about the unloading

characteristic of ported boxes, so I think this could damage my
...

Hi, I´m building a ported box for 2 EX series2 12" subs, it will be

3 cu ft tuned to 35 hz, but i need to now how much airspace do

these subs displace so I can build my box at the exact...