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group delay?
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<blockquote data-quote="THATpurpleKUSH" data-source="post: 8720785" data-attributes="member: 615398"><p>Win isd is not accurate unless you are designing a sub to play in the middle of an open field. WinIsd does not have the ability to predict the transfer function aka cabin gain and as a result will mislead you to tune far lower than necessary. The transfer function occurs around 50-70hz roughly depending on the vehicle and is a 12db/oct gain. Without the ability to figure that in, the data is incorrect below 60hz which is pretty much the entire usable bass spectrum.</p></blockquote><p></p>
[QUOTE="THATpurpleKUSH, post: 8720785, member: 615398"] Win isd is not accurate unless you are designing a sub to play in the middle of an open field. WinIsd does not have the ability to predict the transfer function aka cabin gain and as a result will mislead you to tune far lower than necessary. The transfer function occurs around 50-70hz roughly depending on the vehicle and is a 12db/oct gain. Without the ability to figure that in, the data is incorrect below 60hz which is pretty much the entire usable bass spectrum. [/QUOTE]
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