Can you have too much diffusion

HiFi

New Member
Oct 11, 2020
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Question..... within reason can one have too much diffusion On the front wall in a two channel audio room?

Bass traps are DYI and offer no diffusion. A mistake I made when I built them.

My front wall is only 11 ft wide.
C1B9EF74-6072-4F64-B378-DFDD5CD6FB5C.jpeg
Thanks in advance
 
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spiritofmusic

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Jun 13, 2013
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Hi, I'm running GIK absorbers and bass traps on front wall, the sound suffers a little without them. Considering moving to something like Acustica Applicata Daads or Stillpoints Apertures which offer a combination of diffusion and absorption.
 

advanced101

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May 3, 2017
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On the front wall I prefer absorption panels with some kind of limiting reflecting front plate. The Alpha panels from GIK are very good for the price. I much prefer Apertures though. Apertures, although silly money, sound the best to me on the front wall and all reflection points. I have tried a bunch including pure absorption, pure diffusion and various mixes.

There is no right or wrong, experimentation is the only way. Buy a few panels of a different type and give them a try.
 

MTB Vince

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May 11, 2019
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IMG_7317.JPG

A mix of diffusion, bass trapping, and broadband absorption. I'm considering adding some more diffusion though- in the form of scatter plates on the fronts of the two broadband absorption panels.
 
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spiritofmusic

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Advanced, how do you set up your Apertures?
Tima has been running his room with vertical columns of two panels on the front wall: central and maybe 3' to the R and L, so six Apertures in total on front wall; and at side wall first reflection points.
 
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advanced101

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I like 2 at each reflection point. I have experimented at the front wall and would agree 6 there. I need to buy more but may build my own.
 

spiritofmusic

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So, two vertically on midline front wall. How close to those would the columns R and L be? Simple matter of experimentation?
 

advanced101

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For me, I use the panels to cover windows but they are symmetrical. LR about 24” away from center. So no experimentation. I would say because of those windows, treatments at the front of the room are more important for me than they might be for someone with a solid wall.
 

sbnx

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Mar 28, 2017
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Too much diffusion causes confusion. But it doesnt look like you have too much
 

spiritofmusic

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Jun 13, 2013
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After a little prodding from a member here, I'm gonna investigate Artnovion panels. Like Stillpoints Apertures, they are hybrid absorber/diffusers, but 40% more affordable. Look very smart too.

Eiger corner bass traps and Avalon Flow hybrid panels for front and side walls.
 

advanced101

VIP/Donor
May 3, 2017
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183
After a little prodding from a member here, I'm gonna investigate Artnovion panels. Like Stillpoints Apertures, they are hybrid absorber/diffusers, but 40% more affordable. Look very smart too.

Eiger corner bass traps and Avalon Flow hybrid panels for front and side walls.
There is a bit more going on inside of an Aperture. The patent is available online and will give you insight on the construction. Although this won’t tell you how they sound. For bass trapping, I would look elsewhere though. For reflection points, Apertures are my favorite.
 

spiritofmusic

Well-Known Member
Jun 13, 2013
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E. England
I'll hopefully be able to trial both.
 

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