Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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Re: acoustic cork wall treatments

Posted by unclestu52 (D) on May 11, 2007 at 23:07:16

In Reply to: acoustic cork wall treatments posted by astrostar59 on May 11, 2007 at 15:57:02:

Paint will add reflectivity back into the room. If deadening the high frequency is what you are looking for I would not paint the cork. You can simply cork a portion of the wall, too. No need to cork the entire surface. If the room is very reflective the area directly behind the listening position is the most important.

You really ought to post more information: for example, the dimensions of the room, the distance your listening chair is placed from the back wall etc.

The closer you sit to the back wall the more important the dampening of that wall becomes. In a concert hall, any seat next to a wall is a bad seat. There are some speaker manufacturers, I know, who advocate sitting directly against the back wall, but these usually have unusual woofer positioning (facing each other, for example, where the direct opposition of the woofers will create a degree of cancellation).

You may want to look at Mike Greene's Room Tune products. His Corner tunes are very effective, but instead of placing those fiberglass stuffed pillows in your upper corners, simply drywall a wedge into the corner. They can look a lot more architectural if you make a long wedge and it does not diminish the effect.

Don't forget that you can use other means to dampen a room and be more aesthetically pleasing (not necessarily cheaper, though!). You can use fiber artwork, like quilts, and wall hangings. A friend who collects silk carpets has one gorgeous piece hanging behind him with a very pleasing effect sonically as well as visually. While more expensive, it also keeps the SO happier, sometimes.

Stu

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