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What determines the amount of air movement -> subwoofer?

post #1 of 3
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I just can't figure it out - why is it that on some frequencies my subwoofer literally blows the dust 10 metres across the floor, and yet on other (somewhat louder, harder hitting) frequencies it barely moves any air.

Can someone please explain to me how this works/why they even expel air in this way?
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post #2 of 3
Increased freq. can displace matter in the medium(air) due to more occilations, as opposed to lower frequencies (i.e. "deeper bass sounds"). The freq determined/percieved is just sound pressure.. i.e. decibel lvls
Edited by Blindrage606 - 4/2/11 at 1:20pm
 
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post #3 of 3
Its the WHOLE magic of sub woofers,getting the right port size and enclosure it
will either maker or break your system - it is discussed just as much is computers are,message boards as well......when you get it right though its really thrilling -


for instance my HT sub is a single 8,its in a huge box and has a huge port - I made it myself......it will litterally shake my living room and it only has 150 watts

Enclosures are cheap to make,just takes some pre plannning
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Overclock.net › Forums › Components › Sound Cards and Computer Audio › What determines the amount of air movement -> subwoofer?