I said I would never buy another Turntable...Argh !!!

Ron Resnick

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Jan 25, 2015
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I said it reflects, not absorbs. Drywall does to a much lesser degree. Wood is pretty good at reflecting. The condition is simply the speaker cannot be too close to backwall, otherwise the reflections are bad.

The problem with regular windows is they ring, and the potentially beneficial reflections just sound fatiguing, and off.

I don’t see drywall in the photo.
Respectfully, this is not consistent with what I have read in serious acoustics textbooks discussing sound absorption (NRC). I think the lists of materials and the NRCs thereof indicate that 3/4" hardwood reflects less sound than common drywall.
 
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Folsom

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I guess that depends some on how you think about it. The reason I say wood reflectors better is because it has a failry even FR in the reflection. Drywall gives you a garble. This is a reason why a wooden room can be beneficial, as it’s consistent in the audio range. Wood rooms can sound “alive”.

But you’re right, wood is fairly good at passing sound from one side to the other.
 
May 30, 2010
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I guess that depends some on how you think about it. The reason I say wood reflectors better is because it has a failry even FR in the reflection. Drywall gives you a garble. This is a reason why a wooden room can be beneficial, as it’s consistent in the audio range. Wood rooms can sound “alive”.

But you’re right, wood is fairly good at passing sound from one side to the other.
The subject is debated in the F. Toole book - the available acoustic data is collected for normal incidence and is of use mainly in large spaces. However in small rooms the incidence of critical sound rays is mostly oblique.

As far as I see NRC is an average coefficient of absorption - it is used mainly for isolation purposes, but a poor indicator of reflection. It should not be used for the design of audiophile listening rooms.
 
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Ron Resnick

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Jan 25, 2015
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That Nothing sure looks like something!
 

bonzo75

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Feb 26, 2014
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In the sequel to catch 22, Milo Minderbinder (for those who don't know catch 22 he is a shrewd businessman in the story) sells the Pentagon stealth bombers that you cannot hear and you cannot see. This Nothing rack should have been sold that way, a rack where you can hear nothing and where you can see nothing.
 

Tango

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May 30, 2010
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Somehow I keep coming back to look at these pictures.

Tang
Me too - considering the density of stainless steel is around 8g/cm3 I am still trying to estimate the total weight of the rack... :oops:
 

spiritofmusic

Well-Known Member
Jun 13, 2013
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Ha Christian, you beat my main (non audio) ceiling ht by 4' (we're *only* 20' high).

Why do you Americans have to be so damn competitive?! LOL
 
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Mike Lavigne

Member Sponsor & WBF Founding Member
Apr 25, 2010
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Christian,

i'm skeptical that your wood floor can handle the pounds per square inch of the feet of the Nothing Rack + AS-2000 without some unpredictable deflection. whether it's deformation of the wood, or the support beneath, i'd recommend some consideration before it's all in place. if those wood slats are directly over concrete maybe you are ok. but maybe not. if it's directly over concrete i would think about cutting out the wood in that area to get directly onto the hard surface.

once it's in place and deflects (each footer will not deflect equally) it will be hard to fix it.
 

Folsom

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Oct 26, 2015
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I think he posted a picture of bracing it earlier in the thread.

The room is a pretty serious upgrade, even if the corner is a little scrunchy because of whatever the rock barrier stuff (fireplace?).
 

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