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In the Forum: Audio Discussions
In the Thread: Romy The Cat's new Listening Room
Post Subject: The anti-helmholtz resonator considerations.Posted by Romy the Cat on: 11/2/2010
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 Romy the Cat wrote:
 Romy the Cat wrote:
NewRoom_AcousticTreatment_1.JPG 

I made a nice half-circle wall in place of the mid column. It sound nice but afar a week of living with it I have to tell that I feel a bit stale and too utilitarian. I do not pretend for any sophistication but the white foam on light foam fell too boring, at least this is how I feel now. I need something different. I need something with more color and 3D texture. I do not know what exactly I want but I know that what kind idea I want. The wall with the horns is too pastel and too pale for the rest of my room and for what I would feel comfortable. I need an inspiration with some kind of other idea

 
It is very interesting. A redder of my site sent me today a link to Italian company Acustica Applicata  that make tunable Helmholtz resonators:

http://www.acusticaapplicata.com/polifemo.php?lang=eng

The reasons why I find it interesting is because this morning I have been thinking about my new idea of the wall with horn treatment and my major concern is to make sure that the Helmholtz resonators will not be activated.

This mooring a brilliant idea hit me. Instead of the pale and un-spicy while foam the boars me I will use a completely different idea. I so got hooked on it that I ordered the parts already.  A few post above I made a post “Spectacularly cheap, pretty and effective.” about the new Kanuf brown fiberglass tubes.  The picture does not make justice to them – in real world they look spectacular. So, my new brilliant idea is to get rid all my acoustic treatment on this wall:

NewRoom_AcousticTreatment_2.JPG

And to replace it with a ccustom-made organ-like pipes, made from Kanuf brown fiberglass tubes. I mean I will build the organ like pattern, with a combination of the tube of different size and different diameters. The Kanuf brown unfinished pipes looks spectacular ion my room. The only concern I have is that the top of the type will be at the same level as the exit of horn mouth – so I naturally would like the types do not make any Helmholtz resonating; otherwise I would need to close the types.

NewRoom_AcousticTreatment_5.jpg

I very much like the idea as it will kill all HF reflection and very dramatically randomize MF. It might also superbly cool looking. I will be hanging a few “trunks” of the Kanuf brown fiberglass tubes under the center ridge of the cathedral selling  as well. The color of the Kanuf unfinished brown fiberglass tubes is very good matching with the color or my furniture and my carpet. Do not be too bound with the ugly plan-drawing I made. I do anticipate a very-very positive esthetic and caustic outcome of this attempt.

The Pussy.

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