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SPL Port
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<blockquote data-quote="volonau" data-source="post: 2152246" data-attributes="member: 562911"><p>I have 2-15" Planet FU-15-4's in a 6.4cu tuned to 38hz daily and 53hz for spl.</p><p></p><p>I had my car metered on the termlab first tuned to 38hz(143.8) then tuned to 53hz(144.5) playing a 53hz tone.</p><p></p><p>Why is there such a small difference in SPL between the two ports?</p></blockquote><p></p>
[QUOTE="volonau, post: 2152246, member: 562911"] I have 2-15" Planet FU-15-4's in a 6.4cu tuned to 38hz daily and 53hz for spl. I had my car metered on the termlab first tuned to 38hz(143.8) then tuned to 53hz(144.5) playing a 53hz tone. Why is there such a small difference in SPL between the two ports? [/QUOTE]
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