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Audio and Video Talk
Acoustics & Room Treatment
Tool for projecting how well Acoustic Panel will absorb
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<blockquote data-quote="Avian" data-source="post: 1059408" data-attributes="member: 19252"><p>Sorry for the delayed reply!</p><p></p><p>It's my pleasure. I was also happy to find this little tool. I constructed the panels according to Dr Toole's recommendations, so I knew they should be truly broadband, but it was nice to be able to calculate it and see exactly how effective they are, I was pleasantly surprised.</p><p></p><p>I didn't use a backing board, you can though (it would be acoustically similar to mounting the panel flush against the wall), ideally the sound has to be able to pass through (and back after reflecting off the wall), so a backing board would make using an air gap pointless. I just used the same material that is on the front to "span" the back. Then I put the two FG panels into the frame, and wrapped the material over. Elastic material helps as you can stretch it making for a neat finish.</p><p></p><p>I used quite beefy / long wall plugs + screws. So that they protrude > 25mm (the more the better) from the wall. Then I simply hung the panels onto the screws - after carefully measuring spacing and the correct height of course. Once you make a gap at the top where the panel rests on the wall screws, by just pulling the panel forward, it will hang down with a slight angle, as the bottom will rest against the wall. You can then space the bottom edge with anything matching your top gap. I used two layers of foam tape.</p><p></p><p>The top part of the frame has no special bracket, the panel just rests on the screws, the backing material just "dents" in where the screws "poke" them. It's very secure, even though it may not sound like it. There are many ways of doing this though. This is just what I did.</p></blockquote><p></p>
[QUOTE="Avian, post: 1059408, member: 19252"] Sorry for the delayed reply! It's my pleasure. I was also happy to find this little tool. I constructed the panels according to Dr Toole's recommendations, so I knew they should be truly broadband, but it was nice to be able to calculate it and see exactly how effective they are, I was pleasantly surprised. I didn't use a backing board, you can though (it would be acoustically similar to mounting the panel flush against the wall), ideally the sound has to be able to pass through (and back after reflecting off the wall), so a backing board would make using an air gap pointless. I just used the same material that is on the front to "span" the back. Then I put the two FG panels into the frame, and wrapped the material over. Elastic material helps as you can stretch it making for a neat finish. I used quite beefy / long wall plugs + screws. So that they protrude > 25mm (the more the better) from the wall. Then I simply hung the panels onto the screws - after carefully measuring spacing and the correct height of course. Once you make a gap at the top where the panel rests on the wall screws, by just pulling the panel forward, it will hang down with a slight angle, as the bottom will rest against the wall. You can then space the bottom edge with anything matching your top gap. I used two layers of foam tape. The top part of the frame has no special bracket, the panel just rests on the screws, the backing material just "dents" in where the screws "poke" them. It's very secure, even though it may not sound like it. There are many ways of doing this though. This is just what I did. [/QUOTE]
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Audio and Video Talk
Acoustics & Room Treatment
Tool for projecting how well Acoustic Panel will absorb
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