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Audio and Video Talk
Acoustics & Room Treatment
Limp mass membrane for bass traps
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<blockquote data-quote="Timber_MG" data-source="post: 219360" data-attributes="member: 18"><p>When comparing similar materials (say fiber glass to fiber glass) the density is a good measure to compare, but when comparing different materials (say like an open cell foam against polyester insulation batting) the resistivity is the figure to look out for and it's not often stated for materials whose applications aren't primarily acoustic. What kind of a material is u Therm?</p><p></p><p>Re the 703, I think it's optimum for wide band-width applications, though It's been a long time so someone please correct me. Higher density will be somewhat more effective at lower frequencies at the cost of bandwidth, though distance from the wall and percentage of wall area covered remain as the biggest factors in this. It might well be somewhat better for a bass-trap.</p><p></p><p>Regards the wine-rack, placing wine bottles in quasi-random locations will give you some diffusion to boot (though the space coupler is a good start, have a look at the price for an Auralex unit). At LF, you'll be closer the the middle of the room without the wall where modes are more dominant.</p></blockquote><p></p>
[QUOTE="Timber_MG, post: 219360, member: 18"] When comparing similar materials (say fiber glass to fiber glass) the density is a good measure to compare, but when comparing different materials (say like an open cell foam against polyester insulation batting) the resistivity is the figure to look out for and it's not often stated for materials whose applications aren't primarily acoustic. What kind of a material is u Therm? Re the 703, I think it's optimum for wide band-width applications, though It's been a long time so someone please correct me. Higher density will be somewhat more effective at lower frequencies at the cost of bandwidth, though distance from the wall and percentage of wall area covered remain as the biggest factors in this. It might well be somewhat better for a bass-trap. Regards the wine-rack, placing wine bottles in quasi-random locations will give you some diffusion to boot (though the space coupler is a good start, have a look at the price for an Auralex unit). At LF, you'll be closer the the middle of the room without the wall where modes are more dominant. [/QUOTE]
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Audio and Video Talk
Acoustics & Room Treatment
Limp mass membrane for bass traps
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