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Unread 10-15-2002, 11:38 AM   #5
bigben2k
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Join Date: May 2002
Location: Texas, U.S.A.
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For a 0.375 opening, the radius is 0.1875.

Following the formula: pi*r^2, the area of such an opening is 0.11 in sq.

two 1/8 channels is 1/4 by X, where X=.11/.25, which equals 0.442 .
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