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Re: Lets plan a theater space
Gr8_White_North #423899 03/07/17 12:36 AM
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My shop is a detached double car garage. I have an Easy Radiant HeatWave. it has 8' of combustion chamber that does a wonderful job of adding a bit of warmth to the shop. As for the floor, I laid down some dimple waterproof membrane and then two layers of 5/8" OSB. The floor is cool, but never cold on the feet. The dimple gives an air break between the cold cement and the warmer wood ontop. As a bonus, it is also waterproof so any moisture that might wick up from the concrete can easily evaporate or re-absorb into the concrete pad.

It all comes down to fore thought in design.


Anthem: AVM60, Fosi DAC-Q5
Axiom: ADA1500, LFR1100 Actiive, QS8, EP500, M3, M3comp, M5
Re: Lets plan a theater space
AAAA #423900 03/07/17 12:38 AM
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What, a field trip out to Dwight and sweet talk Ian into letting you use their sub tower to give it some real tests..


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Axiom: ADA1500, LFR1100 Actiive, QS8, EP500, M3, M3comp, M5
Re: Lets plan a theater space
AAAA #423905 03/07/17 02:24 AM
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Mat, I am glad you are not a speaker designer. You'd go hungry.

Re: Lets plan a theater space
MMM #423906 03/07/17 02:49 AM
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Originally Posted By MatManBobbleHead
My shop is a detached double car garage. I have an Easy Radiant HeatWave. it has 8' of combustion chamber that does a wonderful job of adding a bit of warmth to the shop. As for the floor, I laid down some dimple waterproof membrane and then two layers of 5/8" OSB. The floor is cool, but never cold on the feet. The dimple gives an air break between the cold cement and the warmer wood ontop. As a bonus, it is also waterproof so any moisture that might wick up from the concrete can easily evaporate or re-absorb into the concrete pad.



It all comes down to fore thought in design.




I should look into that flooring, i have no plans to put a car in there ne way. The floor is so smooth when you go into it in the winter it is alot like ice skating.

Last edited by Socketman; 03/07/17 02:49 AM.

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Re: Lets plan a theater space
AAAA #423913 03/07/17 02:29 PM
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i did the same thing with my basement floor as it worked so well. I thought that i might have a problem with the weight of my big tools, but it was explained to me that you put this up against the outside of your house and backfill it with dirt. that can add up to easily a thousand pounds of force from the weight of the earth pushing up to it and it doesn't crush so why would it have a problem with some machines


Anthem: AVM60, Fosi DAC-Q5
Axiom: ADA1500, LFR1100 Actiive, QS8, EP500, M3, M3comp, M5
Re: Lets plan a theater space
AAAA #423932 03/09/17 12:39 AM
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Wire roughed in. 108' of cable used. Wow. Insulating soon hopefully tomorrow night. Found a great solution in Canada for those wanting 703 but cant find it. Use Knauf 2.25 PCF insulation board. Product 5003355. 60$ a case locally. Will report on its work ability soon.

703 Foil Faced (foil out)
125 250 500 1000 2000 4000 NRC
.63 .56 .95 .79 .60 .35 .75

Knauf 5003355 2" Foil Faced (foil out)
125 250 500 1000 2000 4000 NRC
.63 .76 1.11 .75 .42 .22 0.75

If you wanna build broadband panels use foil facing wall. If you wanna build lower frequency concentrated panels face foil into room. Using foil facing wall dramatically reduces effectiveness at low frequencies (by 1/2 or so). If you wanna build 4" super panels use 2 stacked with foil in middle. Better than safe and sound but more depth and $.

They look blue and cold. Poor things. Need insulation.

Re: Lets plan a theater space
AAAA #423933 03/09/17 03:07 AM
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You missed one



Re: Lets plan a theater space
AAAA #423936 03/09/17 11:50 PM
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What kind of insulation/damping material is inside Axiom tower speakers? Know where?

Re: Lets plan a theater space
AAAA #423937 03/10/17 01:53 AM
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I dont know what you call it but it looks like stuff from inside a pillow. Dacron or some such, white and not too dense. solen should have some. I used a pillow from walmart. i also bought a big bunch from solen now that i think back.

http://solen.ca/product-category/accessories/absorbing-damping-products/


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Re: Lets plan a theater space
AAAA #423940 03/10/17 09:31 AM
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Cool, thanks. I am trying to fugure out why the designer recommends 2" wedge foam or 2" OC703 as a preferred alternative. I've never seen speakers with such robust damping. Isnt the purpose to artificially increase the volume to extend response lower? Seems as though in this case its being used to absorb the woofer backwave and reduce internal issues. I wonder if a different cabinet shape would change things. With so many builders doing things slighly differently with damping, its probably safe to assume its less critical than other factors to the end performance.

I'm starting to realise all of these decisions added up would make a design like this impractical for production without some compromises to reduce weight and cost. It makes me wonder what the retail cost of these would have to be to make it commercially viable, and if anyone would buy them when Axiom and others would be cheaper and perform similarly good. I wish someone with M100s was nearby.

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