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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: 2hr, $50 room treatments for DIYers posted by rhyno on December 23, 2008 at 05:54:08:
The main problems with this approach is that the polyester will be very loose therefore low density and probably only an inch or two thick in total, plus not spaced off the wall by several inches.
All of these things add up to a treatment that is basically high frequency only, with very little effect at midrange frequencies and none at bass frequencies. You need considerably higher density and thickness for bass frequency effectiveness.
It may certainly help and if used at first reflection points only it shouldn't overly deaden the sound but beware of using too great a surface area with a narrow band absorber like these. Too much will end up producing a "dead" sound. If you decide you want more absorption, make the treatments thicker and find some way of compressing the batting in order to increase the density. Don't build more the same and simply increase surface area. You'll get better results using the same total amount of batting but increasing the density and/or thickness of the treatments you have, thereby keeping the same surface area, than you will by making more identical treatments and therefore increasing the surface area of the treatments.
David Aiken
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- RE: 2hr, $50 room treatments for DIYers - David Aiken 17:59:30 12/23/08 (0)
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