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Audio and Video Talk
Acoustics & Room Treatment
Acoustic Ceiling Tiles
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<blockquote data-quote="GREYMAN" data-source="post: 1085871" data-attributes="member: 1319"><p>I assume the sound reduction amount of 35db quoted is when the product is installed as part of a soundproofing system as that is a high amount. Designers normally recommend products with a minimum NRC of 0.7 in order to make a meaningful difference. With an NRC of just 0.5, the price to performance ratio does not make sense in my humble opinion. The free-hanging baffles are 40mm of glass wool with a density of around 17kg/m2. The density is great but if you have the space you should go much much thicker to affect a wider band of the frequency response.</p></blockquote><p></p>
[QUOTE="GREYMAN, post: 1085871, member: 1319"] I assume the sound reduction amount of 35db quoted is when the product is installed as part of a soundproofing system as that is a high amount. Designers normally recommend products with a minimum NRC of 0.7 in order to make a meaningful difference. With an NRC of just 0.5, the price to performance ratio does not make sense in my humble opinion. The free-hanging baffles are 40mm of glass wool with a density of around 17kg/m2. The density is great but if you have the space you should go much much thicker to affect a wider band of the frequency response. [/QUOTE]
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Audio and Video Talk
Acoustics & Room Treatment
Acoustic Ceiling Tiles
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