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free air subs


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$uperflame$ 
Member - Posts: 45
Member spacespace
Joined: May 18, 2004
Location: United States
Posted: June 01, 2004 at 7:40 AM / IP Logged  
what do you guys thank about free air subs ,are they even worth using?and hows ther sq
DYohn 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: June 01, 2004 at 8:30 AM / IP Logged  
They can be great if installed properly.  They produce a very low Q and can be great for general listening, especially clasical or acoustic music.  It is actually harder to install an infinite baffle (free air) system in a car than you might think, as it requires that you completely seal all posible air leaks between the rear parcel shelf (the most likely mounting location) and the inside of the car.  This can be next to impossible in most cases.  If not installed properly, free-air results in very poor sound since there will be LOTS of cancellation.  An enclosure is far easier to do.
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