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Re: acoustic cork wall treatments

Posted by unclestu52 (D) on May 13, 2007 at 20:13:21

In Reply to: Re: acoustic cork wall treatments posted by astrostar59 on May 13, 2007 at 16:00:16:

Your room is not exceptionally large. The marble floor and glass doors are obvious high frequency reflectors. The drapes are good, and the area rug is definitely a help. I am assuming the second sofa is situated across from the doors, and that helps break up the resonances on that wall.

You will probably need some to break up the first reflection point on the right wall and a wall hanging or ornate acrylic with a lot of knife work helps a lot.

Problems always exist with the upper corners of the room. Without spending money try temporarily taping up a triangle of cardboard (roughly 25 cm on a side0 in each corner. The corners tend to act as megaphones, and sound enters the corner and gets re-reflected out reinforced. If the cardboard helps, a hanging silk plant, or a piece of drywall 'mudded' in makes a more permanent and aesthetically pleasing addition leasing. And yes, this would be a direct take off of Mike Greene's Corner Tune products.

If you have a relatively large area uncovered by your rug, say the portion behind and to the side of your speakers, use something like plants on the floor to help break up the reflection. The marble is nice, but it is reflective. I would recommend wooden or other organic sculptures to help break up the harder surfaces.

Let us know how it comes out. I envy anyone who can have a dedicated listening room.

Oh yeah: Apply the cork sparingly at about your listening height first. You may not need so much, as the cork will definitely absorb SPL's and since you have a SET (unless it's a 211/845 one!) every watt can make a difference! I once lined an entire room with cork and it was, well, over damped. We had to add framed pictures with lots of glass to add a bit of reflectivity to increase the presence.

Stu

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