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QTC vs ported boxes?

Old 04-12-2007, 06:25 PM
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QTC vs ported boxes?

QTC for a sealed box is supposed to refer to how boomy or tight the bass will be, but what is the equivalent rating for determining how boomy a ported box will be?
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Old 04-13-2007, 03:01 PM
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If I remember correctly, alignment of a vented box is represented by alpha. I have yet to run across a design program that let you adjust, or informed you of, the alpha value used.


The Loudspeaker Design Cookbook covers the topic though.
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