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Room Plan. Where/What to place? (Read 245 times)
DowdyPrime
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Room Plan. Where/What to place?
10/26/23 at 17:28:44
 
Hi All,
I wonder if I can get your sage advice about how to start a room treatment journey.

I've included a diagram of my listening room. The Blue rectangle is where a couch is placed (although it takes up about 2/3 of the space, not the entire width that is shown), the Green rectangles are where speaker normally sit. When I listen critically, I pull the about 2 feet from the wall, and angle them to the the line from the listening post to the speaker align with the door opening to the left and right of the speaker's original position. The glass door and windows are covered with medium thickness curtains. The stereo cabinet sits between the speakers, and above it is a piece of 'real' artwork, meaning that it isn't an entirely flat surface, but a painted canvas. The ceilings are 9ft tall.

What would you add? This is the living room of the house, so I've got to keep things pretty visually neutral.

The only audible characteristic of the room that I am certain about is that there is a bass bump for certain notes, but I haven't checked the exact frequency. Otherwise, I have no idea how to check whether it is live/dead/etc. Would the precise bass frequency matter for the treatment? Are there other simple checks that can help me determine what would be beneficial?

Thanks!
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plan1.png

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GroovySauce
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Re: Room Plan. Where/What to place?
Reply #1 - 10/26/23 at 21:02:24
 
Quote:
The only audible characteristic of the room that I am certain about is that there is a bass bump for certain notes, but I haven't checked the exact frequency.


Diaphragmatic absorption will fix this issue.

Iím sure some people are sick and tired of me saying the same thing over and over againÖ However, in all my experience I've never experienced a more amazing transformation than adding diaphragmatic absorption to a room. 4 rooms now I've experienced it and it is a life changer.

That said, all treatment there is a critical mass point where the effect is realized.

Iíve been in a living room with 24 cu ft of diaphragmatic absorption and itís a nice step up in performance.

As itís a shared living and use area it really comes down to budget and what is workable for your situation.

Diaphragmatic absorbers are heavy and take up a significant amount of volume in the room.

Looks like you can hide 16 cu ft of treatment behind the couch, maybe more.

Think of the rest of the diaphragmatic absorbers as furniture. They can be a shelf †to place things on or have it just sit there.

Getting the DA near the speakers is an ideal location. Behind the speakers would be great placement.

Diaphragmatic absorbers are broader-band absorption compared to something like a Helmholtz resonator which is an extremely narrow band absorber.

Quote:
Are there other simple checks that can help me determine what would be beneficial?


Yes. However, you have spotted the worse issue and identified it. Bass is the most difficult to get right also the most rewarding. Bass is the foundation of music and when itís right itís incredible.

Room is 60% of the sound you hear from your system so it's worth while to take your time, do research and make the investment.

Room acoustics is my favorite thing to talk about in audio lately.

I wrote a lot about my experience putting together a dedicated room here https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1662491252 While you're not looking for a dedicated room, hopefully you get some ideas that you can apply to your situation.
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DowdyPrime
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Posts: 17
Re: Room Plan. Where/What to place?
Reply #2 - 10/27/23 at 14:53:26
 
Thanks, GroovySauce. That's quite a project you undertook!! Impressive. I'm pretty limited in positioning of absorbers/diffusers, I think that will be the main issue. But I might be able to place some things that go up to around coffee table height on the two side of the couch, and then they can be quite deep. Everything else will have to stay no more than 2" deep, I'm afraid.... Another rabbit hole to go down!!
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GroovySauce
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Posts: 677
Re: Room Plan. Where/What to place?
Reply #3 - 10/27/23 at 18:26:57
 
Yes, it's a deep rabbit hole. I keep doing research. I'm confident you can find a solution that is stealth and gives good results.

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