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Johnny Rutan from Audio Connections in Verona NJ Told me to hang a couple of pretty quilts on the wall where the first reflection is.  That’s made a huge difference. 
 

Have any small changes made a difference in your room?

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Further research on them. I only have a couple small points in my room that I need to play with.

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For treating first wall reflections high density fiberglass or rockwool absorber panels do a fine enough job. 

Quilts aren't usually thick enough to do the job correctly since they only absorb high frequencies, but they're still a lot better than nothing.

In all honesty room choice and its treatment are almost as important as choosing speakers. It can be modeled to a degree ( http://www.acousticmodelling.com for instance offers some basic modeling tools), but most of it needs to be measured in order to achieve optimal results. A decent USB omni-directional calibrated microphone can be had for less than $100 and some great software like Room EQ Wizard is actually freeware. Having these basic tools empowers you to know exactly what effect acoustic treatment products have.

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Thanks for sharing.  I don't have any bass issues as I have a very open loft.  Johnny Rutan came to set up and calibrate the room.  The quilts make a nice difference.  I don't have a dedicated room, but my wife puts up with a lot.  That said, she's not keen on wall treatments, even the ones I have that you can have pictures on.  Just something I deal with, lol.  It's all good though since the room sounds decent without treatments. I don't even have a slap echo problem, so I don't 'worry about treating the ceiling.  I believe there is a 99% chance that would be vetoed quickly, lol.  :). 

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I need to price things out and see how they look. I do know I need something on the rear walls to diffract. I may see what side wall deals to use too 

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2 hours ago, ctsooner said:

I need to price things out and see how they look. I do know I need something on the rear walls to diffract. I may see what side wall deals to use too 

Dont let their small size fool you.  They are like little blackholes.

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14 minutes ago, ctsooner said:

do they absorb or diffract or both?

They are an absorber, diffuser, and resonator depending on the frequency and volume.

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Yes, just saw that.  I'd make my own wood stand to match them.  I need to see which of my dealers sells them.  I like the idea of a stand to put them on the back wall and then I can move them when needed.  Not sure if I'd need three or if I can just use two and leave the bottom open.  I'm sure the dealers will know.

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