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Old 17th October 2001, 04:02 AM   #1
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Join Date: Apr 2001
Location: Brisbane Australia
I've just bought a new house and am thinking about putting a listening room in down stairs. I have an area of approximately 6000x6000mm which I can use. My problem is that the maximum floor to ceiling height is approximately 2100mm. I have read all about the golden ratios etc. but is there a minimum height dimension which must be adhered to to produce a good audio environment.

Also any other tips for making the room as good as possible will be gratefully accepted as I have no constraints except the dimensions mentioned above and of-course cost. As just about everything I do is DIY I think the cost of any suggestions will not be prohibitive so let 'em roll.

Cheers

Dan
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Old 17th October 2001, 06:27 AM   #2
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It helps a lot when the walls are not parallel. Also try making some bass traps and absorbers for the corners and for the direct reflecting walls.
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Old 17th October 2001, 12:12 PM   #3
Super is offline Super  United States
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John Risch has some good notes on room acoustics and DIY treatments. http://www.geocities.com/jonrisch/index2.htm

Is this going to be a designated listening room? Or will the SAF factor come into play? If so, large, leafy plants make good diffusors. I've seen a few other good absorption panels online. If I can dig up the links I'll post them.
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Old 17th October 2001, 11:23 PM   #4
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Promitheus,

Does making the walls non-parallel render the golden ratios obsolete? I read somewhere that room modes in such rooms still exist but are almost impossible to predict and thus difficult to allow for (I think I read this on the Linkwitz Lab site).

Super,

There is no SAF so I can do as I please, and I will. I have read some of the articles on the site you mention and have considered using them in this project, any other sites you have on this subject would also be interesting reading. This is to be a dedicated listening room.

Dan
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Old 18th October 2001, 01:20 AM   #5
Super is offline Super  United States
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I found this site pretty useful, and it has a couple of good links as well:
http://www.geocities.com/m_churches/room.htm

One idea that I liked to predict where reflections may be their worst, is by creating reflections, using mirrors and a light source, varying the placement of the light souce based on your speaker size.

Here's another good site that talks about what can happen at what frequencies, and some of the things you should avoid: http://www.sound-on-sound.co.uk/sos/...acoustics.html

Heres a link to a thread on a forum I came across. It includes a pic of a diffuser that a man made from different lengths of lumber. For a 2 foot by 2 foot square of the diffusors, they want $168 dollars, commercially. He built over 5 square feet of it for less than $30... They also gave mention of a sonotube bass trap/diffuser in one.

http://www.da7.com/ubb/Forum1/HTML/002834.html

If I had the chance to change our room, I'd do some acoustic treatments. Maybe one day...

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