I got leftover insulation, should I make less panels but thicker absorption, or more panels with thinner absorption? - AVS Forum
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post #1 of 6 Old 06-13-2013, 11:13 AM - Thread Starter
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Well, I built 6 panels that are 2'x4'x2" (what a pain in the ass). I have 6 OC703 acoustic insulation material remaining that measure 2'x4'x2".

My goal is to make bass traps for the front wall corners as I've read that is the first wall to treat for bass. I'm thinking I can either make 4 panels that measure 2'x2' and are 6" thick, or make 3 panels that are 2'x4' but are 4" thick. These two methods will successfully use up my remaining insulation. I'm thinking of making the 4 2'x2' panels because that would be able to absorb bass at all four tri corners on my front wall.

I don't have room measurements since I will be moving out soon and I am just making these panels for a future home because I currently have free time. What do you guys think would be the best way to rid of my leftover insulation?


I also made some 2D skyline diffusers, those were equally a pain in the ass. Immaculate sound is such a difficult thing to accomplish.
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post #2 of 6 Old 06-13-2013, 11:54 AM
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Originally Posted by brandon_k_w View Post

Well, I built 6 panels that are 2'x4'x2" (what a pain in the ass). I have 6 OC703 acoustic insulation material remaining that measure 2'x4'x2".

My goal is to make bass traps for the front wall corners as I've read that is the first wall to treat for bass. I'm thinking I can either make 4 panels that measure 2'x2' and are 6" thick, or make 3 panels that are 2'x4' but are 4" thick. These two methods will successfully use up my remaining insulation. I'm thinking of making the 4 2'x2' panels because that would be able to absorb bass at all four tri corners on my front wall.

2" thick 703 is way thin for effective bass traps.

I'm thinking 4 or 6 inch thick absorbers spaced 4 or 6 inches out of the corner.
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post #3 of 6 Old 06-13-2013, 12:51 PM - Thread Starter
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My 2" thick panels will be for reflection points and higher frequency absorption. The panels I am trying to build now will be 4"-6" thick and will be staggered diagonally in the corners of the front wall. I'm wondering if building a (4) quantity of 2'x2'x6" bass traps for the front wall tri corners would even have a noticeable impact. I don't want to buy more acoustic insulation as I don't want to get too caught up in all this acoustic treatment because then I'll be spending money like mad like I usually do.

It's the downside of DIY. You have to put in all this work into something you do not even know if it'll make a difference. I did notice a difference testing out my 2" panels so that at least is some reassurance.
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post #4 of 6 Old 06-13-2013, 05:28 PM
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Originally Posted by brandon_k_w View Post

My 2" thick panels will be for reflection points and higher frequency absorption. The panels I am trying to build now will be 4"-6" thick and will be staggered diagonally in the corners of the front wall. I'm wondering if building a (4) quantity of 2'x2'x6" bass traps for the front wall tri corners would even have a noticeable impact. I don't want to buy more acoustic insulation as I don't want to get too caught up in all this acoustic treatment because then I'll be spending money like mad like I usually do.

It's the downside of DIY. You have to put in all this work into something you do not even know if it'll make a difference. I did notice a difference testing out my 2" panels so that at least is some reassurance.

I hate to say but it depends...on how big your room is, whether it has bass issues now or not and if so how bad they are, etc, etc. But in a normal closed bedroom type sized room 9 say 12'x17' you would notice a difference.

Master of Minions, Acoustic Frontiers. We specialize in the design and creation of high performance listening rooms, home theaters and project studios for discerning audio/video enthusiasts.
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post #5 of 6 Old 06-20-2013, 10:52 AM
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Originally Posted by brandon_k_w View Post

...then I'll be spending money like mad like I usually do.

It's the downside of DIY. You have to put in all this work into something you do not even know if it'll make a difference. I did notice a difference testing out my 2" panels so that at least is some reassurance.
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Originally Posted by Nyal Mellor View Post

I hate to say but it depends...on how big your room is, whether it has bass issues now or not and if so how bad they are, etc, etc. But in a normal closed bedroom type sized room 9 say 12'x17' you would notice a difference.
The first thing to spend money on is a measurement rig.

The upside of DIY is that you can tailor what you make to fit your specific needs.
That starts with knowing yourself - what are you looking for?
Then knowing your room, acoustically, in terms of frequency absorption, reflection, modal patterns and decay time.
Then researching and bulding the type of acoustic device(s) that will address your issues without collateral damage.

Finally, noticing an difference is not the goal, improvement is the goal. I have no doubt that you can add panels and notice a change in the room's sound. The question is if you like it more afterward than before?

Have fun,
Frank
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post #6 of 6 Old 06-24-2013, 11:35 PM - Thread Starter
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Thank you. I have bought a Dayton umm6 mic and am waiting for it to arrive.
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