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<blockquote data-quote="Reverend Mayhem" data-source="post: 7773997" data-attributes="member: 642369"><p>I get the whole point of making the making the face of the encloser stronger but just making that stronger wont get you there. You want to calculate the quarter wave and match that by tuning your encloser to that frequency. The calculation is the distance from the encloser to the windshield in feet times 4 then divide by 1132 which is the speed of sound at see level. Then that will give your frequency you will want to tune your encloser to. That way the pressure in the cab and the encloser are the same. When you get to that point your sub-woofers will be able to withstand more power because it isn't working against itself. This all applies when building a walled system but im not entirely sure with anything else.</p></blockquote><p></p>
[QUOTE="Reverend Mayhem, post: 7773997, member: 642369"] I get the whole point of making the making the face of the encloser stronger but just making that stronger wont get you there. You want to calculate the quarter wave and match that by tuning your encloser to that frequency. The calculation is the distance from the encloser to the windshield in feet times 4 then divide by 1132 which is the speed of sound at see level. Then that will give your frequency you will want to tune your encloser to. That way the pressure in the cab and the encloser are the same. When you get to that point your sub-woofers will be able to withstand more power because it isn't working against itself. This all applies when building a walled system but im not entirely sure with anything else. [/QUOTE]
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