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Air movement question

Old Apr 26, 2009 | 08:25 PM
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Air movement question

More air being moved means louder or whatever, right? With a ported box, can you constantly push more air into a box using a port connected to a blower or something? Could you double the air movement? It'd take a huge generator, and this is a crazy idea that might work if a sub can handle more pressure in the box than outside.

Imagine wind is going into a port, what happends . Is it louder or just force vs force.

Someone .
Old Apr 26, 2009 | 08:29 PM
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The air wouldn't be going into a port but I guess you would have to use four hoses in the same direction the woofer is firing. Coming out the port is more air.
Old Apr 26, 2009 | 08:33 PM
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How much air? A constant stream of like 4 tire filler hoses, around the same pressure. Powered by I don't know.
Old Apr 26, 2009 | 08:51 PM
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air vs. sound pressure. hummm i would go with more cone area that makes SOUND and no just move air.

adding pressurised air wont do anything. if it does make a sound its a one note anyway. and then the note all depends on the size of the hole.... no point man its a useless idea lol just get another sub if you want to push more air
Old Apr 26, 2009 | 08:52 PM
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ohh its louder in ported cause you are using both sides of the cone vs. sealed using one side. so yes ported is louder cause you are using double the cone area
Old Apr 26, 2009 | 10:31 PM
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It wouldn't increase the db of the note and wouldn't be able to change notes?
Old Apr 26, 2009 | 10:32 PM
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Ported doesn't = double cone area?
Old Apr 26, 2009 | 10:35 PM
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I thought it was the air that carried the sound of the sub? It's not just more air = more sound? You can either buy more amps or subs, but what about more air to move in the first place? If a woofer is bumping how is air being filled back into the box if it's just forcing it out of a port?
Old Apr 26, 2009 | 10:37 PM
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So as the air is being pushed out of a box is that exactly how the right note is made, I mean there has to be so-much air in the box @ ?hz etc..? Would you have to compensate?
Old Apr 27, 2009 | 02:20 PM
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Umm.., got anymore of that stuff??
Instead of air, why not try a different gas? Helium? You could have a real laugh at SPL comps.
Any speaker can only push as much air as is in the cabinet it's "designed" for.
Adding more air volume to the cabinet will affect the output in a detrimental way.

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