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Panel placement for rear wall reflection problem

So here is the situation. I cannot, for practical reasons, bring my speakers out to an optimal distance from the rear wall. So I am going to treat that rear wall using a sound absorbtion panel such as Sonex. I plan to buy a box of four 2' x 2' panels.
My question is, where relative to the speaker should I place the panels? One directly behind each with one directly above that (making one 2x4 vertical section basically)? Would the second panel be more effective if it were beside the first panel (a 2x4 horizontal section)?
I realize that acoustical questions can be very complex, but in general, where would you start?
jb3

Showing 2 responses by jb3

jb3 OP
45 posts
 
Newbee,
That might well be the case, I am a little new to trying to control room acoustics. I know two things: I have a pretty bright room and my speakers are a lot closer to the back wall than recommended. They are monitor type speakers, so excess bass reflection may not be a problem (the rest of the system is on the way, any day now, so I can't say for sure yet). In the end what I will do is just use trial and error. I'm just trying to get some idea before I go stabbing around in the dark.
jb3 OP
45 posts
 
OK, I'll give it a shot. The reason that I didn't in the first place is that it is a very unique room. Standing in the middle of the room facing the speakers:
The right hand wall is basically all glass. It is about 15' long with four 7'x3' windows. The front wall is fairly standard, the speakers are mounted at the recommended height and width, about 8' apart. Between the speakers on the front wall is a fireplace. Above the fireplace is a TV alcove with a TV in it. The left wall gets interesting. To the left of the left speaker is a staircase, with a passthrough into another room. Then a 8' section of wall. The rear-left corner of the room is a hallway. There is no back wall really, it opens into the kitchen. The kitchen is VERY live acoustically. Lots of tile, glass, and counters. The room is carpeted. Two leather couches in an "L" shape, one against the 8' section of wall, the other out into the room.
So as you can see I have some challenges. One thing I am going to do is install heavy fabric vertical blinds to tame those windows. Other than that I'm just not sure.
Thanks for any help.
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