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    question about cone area calculation for determining pressure class

    When calculating cone area for pressure classes, are square woofers counted as a normal woofer?

    For example, a round 15 would have 177 sq/in of cone area, but a square woofer of the same size will have more cone area, 225 sq/in to be exact.

    So which number for cone area would be assigned along with the fusing x10?

    MECA rules do not specify shape of the cone and just list general sizes

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    Re: question about cone area calculation for determining pressure class

    You are correct it is the cross section area i.e 15" square ( 15x15 = 225 sq in ) there is a cone area quick reference chart on page 47 of the MECA rule book for quick reference on cone area for the pressure class rating.




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    Re: question about cone area calculation for determining pressure class

    thank you sir!



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