2. speakers
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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
lowrider57's avatar
lowrider57
5,417 posts
 
Nicely done, williewonka. Sounds like it matches the decor of the room as well.

When I referred to a "type of crown moulding, " I was wondering if there was a way to use a strip of thick vinyl near the ceiling where typical crown moulding is always placed. That's an open area for high frequency wave reflection.
I've been reading that MLV is used in sound proofing, and I need either absorption or diffusion.

I may experiment with some fabric across the ceiling area first, just to see what it looks like.
williewonka OP
3,075 posts
 

LR57 - As stated in an earlier post - selecting the right material is key - vinyl is definitely best for this purpose 

But I think I know where you are going with this :-)

Take a look at my  DIY Vinyl Crown Moulding - last component entry on my "System"

https://systems.audiogon.com/systems/3760

I have not tried this, but I think it might work very well - especially with 1/8" MLV

If MLV is too heavy you could used vinyl upholstery material - the ends may be an issue, but...

  • you could cut a Styrofoam form at each end to glue it to and then caulk to finish

Let me  know how it turns out.

 Regards... :-)))

lowrider57's avatar
lowrider57
5,417 posts
 
williewonka, that's the idea I had for an acoustic Crown Moulding.
I was thinking of mounting a 2x4" length of wood as the foundation, and that's about as far as I got.  I read that 1/8" MLV weighs 1 pound per sq. foot, then I googled "vinyl upholstery" and there are many options.

I appreciate the photo and all the info you've provided.
williewonka OP
3,075 posts
 

LR57 - not a problem - I'm in the process of helping a friend with his 12ft high ceiling and irregular shaped concrete walled condo - what a nightmare :-(((

Keep me posted with your developments and what you end up with - I would be most interested to hear how it improves things for you.

Cheers

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