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evilmonkey
Recording Org
Pro Audio Group
Joined: Jan 24, 2007
Posts: 1
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 Posted:
Thu Jan 25, 2007 2:01 pm |
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I'm curious as to how adding absorbtion to a Helmholtz effects the resonant frequency. I understand that adding material lowers the internal volume, thereby lowering the resonant frequency while at the same time increasing the Q. Is there a formula that can help me figure out how much the fiberglass shifts the resonant frequency? How much volume does a cubic foot of 3lb/cu ft fiberglass displace and can this be subtracted from the internal volume of the Helmholtz to get a relatively accurate measurement? Cheers |
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Javier
Recording Org
Pro Audio Group
Joined: Nov 07, 2004
Posts: 22
Location: Caracas, Venezuela
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Sat Feb 10, 2007 6:07 pm |
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Javier
Recording Org
Pro Audio Group
Joined: Nov 07, 2004
Posts: 22
Location: Caracas, Venezuela
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| Posted:
Sat Feb 10, 2007 6:17 pm |
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