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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: Re: Cathedral Sound Acoustic Panels...wots the deal? posted by Ethan Winer on February 5, 2007 at 14:55:06:
I work at Ultra Systems which distributes the Cathedral Sound Acoustic Panels. My hope is to clarify some misconceptions I see in this thread.1. These are not absorption panels. They contain nothing which absorbs. They work using a couple hundred year old concept in physics called the Venturi Effect, which in its simplest form describes how the restriction of flow results in both a greater speed of flow and a reduction of pressure on the "back end." This concept is used in devices such as carburators, and is also related to the concept of lift used in the design of airplane wings.
2. This concept has not been applied to acoustics before, which is why to an old school absorption and diffusion acoustic designer like Ethan Winer it may seen strange that a small-sized panel applying this Venturi effect could do what only a giant absorbing/diffusing -type panel could do. But it's real science, and it really works.
3. It is also demonstable. The graphs referred to in the thread appear on our website here http://www.ultrasystem.com/usfeaturedPanelsTechInfo.html
and were produced independently by Rives Audio. While it is correct that the scale in the "after" waterfall plot has been reduced (to make it easier to read the data), in fact if anything this would serve to understate the impact of the Panels on the room response, not overstate it as suggested elsewhere in this thread.Hope this helps you make sense of this new approach to room acoustics.
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Follow Ups
- Re: Cathedral Sound Acoustic Panels...wots the deal? - Robo02 15:01:58 02/09/07 (0)
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