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Acoustic Damping Behind Speakers?

My speakers are placed about 3.5 feet from the wall behind them, which is just drywall. I get a funny echo from the wall and have been using the cushions from the sofa as dampers, which actually work fairly well. I can't imagine why, but my wife does not think this is an ideal solution, so I'm looking into some sound deadening options.

I was looking at Acoustimac panels, which are reasonable at about $50 each. Does anyone have any other favorite - and reasonably priced - products?

Also, at this point I'm only contemplating using two, placed directly behind the speakers. It would be difficult to get any more past 'she who must be obeyed'. Would this be sufficient? The room has a lot of stuffed furniture in it.

Thanks!
grimace
jfrech's avatar
jfrech
1,816 posts
 
I've used ASC sound panels for years. I have 4 and they are highly effective.

I think they come in boxes of 8 which maybe more than you want...

http://www.positive-feedback.com/Issue22/asc_soundpanels.htm
timrhu
2,779 posts
 
I like ATS Acoustic panels. They are relatively inexpensive and come in a variety of fabrics. They also sell on ebay which is where I made my first purchase with them.
pep21
59 posts
 
A good cheap way out is to place 3 of the acoustic ceiling tiles (2x4') available at Lowes/Home depot spread evenly on wall behind your speakers.
I did this for a friend of mine a couple of years ago, and he still has them up.
I think they stop reflections more than anything, but it is a cheap fix, and doesn't look too bad (he has the white ones on a white wall).
Definately gave some improvement to his room.
thorman
1,262 posts
 
You can also Wall hang a nice looking Rug behind the speakers and it will not only look good but also do the job as needed..I use antique Pakistan rug on the wall behind my speakers and it works very well...
bizango1
276 posts
 
In 1979 we had the entire wall covered in cardboard eggcrates behind the double Advents. I don't know if it really sounded better or not but people knew we were serious when they walked in. We were blowin' our brains out to Supertramp and Michael Jackson.
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