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nick mitchell Unregistered guest | i got a sub box that my friend made for me, and i know that the ports are too big so what would be the best way to close them up a little? |
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Silver Member Username: Bdb_86Bemidji, MN Usa Post Number: 170 Registered: Dec-03 | this is a good question im guessing that your friend used 4" ports well what i would do is take out the port and slap a peice of wood over the hole and drill a 2" hole and put a 2" port in it thats all i cant think of |
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Gold Member Username: Jonathan_fGA USA Post Number: 1123 Registered: May-04 | There is no such thing as the port being too big, the smaller the port, the more port noise there will be, and the less SPL you'll get. If the tuning frequency is too high, you need to find out how much longer that port needs to be and add length to it. |
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Bronze Member Username: CaraudiofngHouston, TX Post Number: 38 Registered: Aug-04 | Is there anyway to determine the internal space of a box if you have the dimensions and the port size??? |
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Bronze Member Username: CaraudiofngHouston, TX Post Number: 39 Registered: Aug-04 | nevermind, found it at http://www.bcae1.com/spboxnew2.htm |