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how can I make the back wall transparent?

If this is the wrong place for this topic please move it

My listening room is 11.5 x 15 and my speakers are 3.5 ft from the back wall.

I have spent considerable effort tweaking stuff, to the point where the system sounds very spacious and deep, BUT it still does not sound as spacious as systems with 6-8 ft of free space behind the speakers.

Is there any aesthetically pleasing wall treatment available that would give me that depth without moving the speakers

Taking the wall down is not an option:-)
williewonka
pbnaudio's avatar
pbnaudio
1,614 posts
 
If you want transparent I'd go for a window :-)

Joking aside, In my room I treated the wall behind the speakers with RPG diffusers works like a charm. There are several other options available at lesser cost, if your handy you could even make your own.

Asmuck has a system page built here on Audiogon, where he utilize some of the same ideas- his room is among the best I've heard.

Best of luck

Peter
photon46
1,088 posts
 
Peter, the acoustic designers I consulted seemed to feel that unless one uses massive amounts of bass trapping behind the listening position, one can't effectively ameliorate the total adverse influence of the rear wall. Out of curiosity, how close is your listening position to the rear wall? I've wondered how much of the problem can be ameliorated by diffusion, but I keep getting told there needs to be more distance between the diffusers and my listening position for them to be effective (my head's probably 18-24 inches or so from the rear wall.)
tom6897's avatar
tom6897
1,484 posts
 
I think you are making matters worse by confusing what wall the OP is addressing. He really means the front wall (which is the wall behind his front speakers) People on this forum often call the walls by the wrong name. The front wall faces the listener and the rear wall or back wall is behind the listener.

If I am mistaken, I apologize. Maybe the OP can clarify, that way you are all on the same page.
needfreestuff's avatar
needfreestuff
572 posts
 
Google GIK Acoustics seems you need some large bass traps behind the listening position. Give them a call I believe they can solve your problem. Good Luck
pbnaudio's avatar
pbnaudio
1,614 posts
 
Photon,

I'm about 5 feet from the wall behind me when seated, behind me is a row of cabinets and a counter. The space above the top row of cabinets have been stuffed with insulation then the space have been sealed of with cloth creating a very nice bass trap. Its about 12" deep 24" tall and about 20 feet long.

I read the OP was wanting to treat the wall behind the speakers with something to create depth in his soundstage my reason for suggesting the RPG or similar

As alway, Good Listening

Peter

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