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Junior Varsity
Lycra vs. Fabric billed as "acoustically transparent"
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<blockquote data-quote="Frank Koenig" data-source="post: 138322" data-attributes="member: 416"><p>Re: Lycra vs. Fabric billed as "acoustically transparent"</p><p></p><p></p><p></p><p>I'll add that grille cloth also can affect low frequencies if it covers (or is near enough) the port of a vented box. The increased acoustic resistance will lower Qb (the enclosure's ratio of acoustic energy stored to acoustic energy dissipated per cycle) changing the tuning.</p><p></p><p>I ran into this on some wedges I built that had the requirement of being rodent resistant, met by having a grille over the port. I'm still thinking about approaches to a solution :?~:-?~:???: Maybe a cat?</p><p></p><p>--Frank</p></blockquote><p></p>
[QUOTE="Frank Koenig, post: 138322, member: 416"] Re: Lycra vs. Fabric billed as "acoustically transparent" I'll add that grille cloth also can affect low frequencies if it covers (or is near enough) the port of a vented box. The increased acoustic resistance will lower Qb (the enclosure's ratio of acoustic energy stored to acoustic energy dissipated per cycle) changing the tuning. I ran into this on some wedges I built that had the requirement of being rodent resistant, met by having a grille over the port. I'm still thinking about approaches to a solution :?~:-?~:???: Maybe a cat? --Frank [/QUOTE]
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Lycra vs. Fabric billed as "acoustically transparent"
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