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Acoustically Transparent Material for the front of a PA system
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<blockquote data-quote="Rob Hughes" data-source="post: 140422" data-attributes="member: 4154"><p>Re: Acoustically Transparent Material for the front of a PA system</p><p></p><p>The issue of reflections is made worse if a line array is used as well. The top boxes are generally likely to be more perpendicular to the scrim, meanign better transmission through the holes, but the lower boxes will be at a much more accute angle as they are likely to be pointing down at a greater angle, reducing the size of the holes and causing more reflections, and hence making the frequency response uneven as you move closer to the stage.</p><p>I have had major problems in the past at major main stage festivals, especially after a scrim has been re-painted/coated and massive HF reflections causing issues on stage and even backstage!</p></blockquote><p></p>
[QUOTE="Rob Hughes, post: 140422, member: 4154"] Re: Acoustically Transparent Material for the front of a PA system The issue of reflections is made worse if a line array is used as well. The top boxes are generally likely to be more perpendicular to the scrim, meanign better transmission through the holes, but the lower boxes will be at a much more accute angle as they are likely to be pointing down at a greater angle, reducing the size of the holes and causing more reflections, and hence making the frequency response uneven as you move closer to the stage. I have had major problems in the past at major main stage festivals, especially after a scrim has been re-painted/coated and massive HF reflections causing issues on stage and even backstage! [/QUOTE]
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