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Well put the "big" box in!
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<blockquote data-quote="orangelss" data-source="post: 5933324" data-attributes="member: 604225"><p>I have a portable 140db spl meter. Used it and a set of test tones. Was setting the sub=sonic filter.</p><p></p><p>I have several ports tht can be interchanged in the box. When my buddy had it built their was a 28hz port and a 50hz port. I have made 3 more for it a 33/38/40hz ports. As loong as the subs like between 3cft and 3.5cft I can swap out ports to get close to the subs optimal or I can just put the flat face in and run it sealed. //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif</p></blockquote><p></p>
[QUOTE="orangelss, post: 5933324, member: 604225"] I have a portable 140db spl meter. Used it and a set of test tones. Was setting the sub=sonic filter. I have several ports tht can be interchanged in the box. When my buddy had it built their was a 28hz port and a 50hz port. I have made 3 more for it a 33/38/40hz ports. As loong as the subs like between 3cft and 3.5cft I can swap out ports to get close to the subs optimal or I can just put the flat face in and run it sealed. [IMG]//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif[/IMG] [/QUOTE]
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Well put the "big" box in!
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