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Which DIY Acoustic treatments do you prefer and please list were you can get more info on your choice Thanks
Follow Ups:
I've really only tried two types of DIY room treatments, but what is best depends on what you're trying to accomplish.I have found that noodle lenses work well on the front wall (this could be because I have planars), and Jon Risch DIY absorbers on the side walls. I tried absorbers behind my speakers, but I didn't like it at all, and noodle lenses on the side walls didn't work too well, either. If my room was wider, then the side reflections might not have been as much of an issue, but a lot of it is room/person dependant.
You can find the Jon Risch stuff through the Asylum- FAQs, then DIY. He has some really good stuff on that site (although some more visuals would be appreciated).
Take care,
Neil
I use versions of Jon Risch's quick and dirty bass traps and his room lens clone. The bass traps do wonders for reducing room reverberation. The room lenses are great for killing early reflections by redirecting the sound wave elsewhere and increasing diffusion into the bargain. They also provide a little bit of absorption of the floor to ceiling room node.Instructions are on Jon Risch's web pages.
David Aiken
"The room lenses are great for killing early reflections by redirecting the sound wave elsewhere and increasing diffusion into the bargain."This is incorrect. Room lenses diffuse sound, which disperses sound 360 degrees. They do not redirect all the sound elsewhere, and they do not kill reflections. The amplitude of the reflection is lowered, however, due to the way it is dispersed. So you will still have a reflection, but just lower in volume.
Take care,
Neil
NT
David,
what brand / type / density did you use for the Q&D bass traps please? I've had a breif look, but it seems the manufacturers specs are different down here than in the States.
Cheers
oz
Oz,I couldn't find the rolls and fibreglass had a particularly low WAF so I went looking for wool or polyester insulation. In the end I made 2 traps from 2 bags of wool/polyester blend batts that weighed 9 kg a bag and then compressed them slightly to equal Jon's recommended 2 lb/cu ft density (= 32 kg /cu metre). I wrapped each bag of batts separately in fencing mesh to get the compression, covered the mesh with thin polyester batting from a craft shop, and had some bags made of loose weave curtain material to go over them to improve the WAF. Allowed my wife to choose the material, even.
It's not quite as quick and easy as Jon's original recipe but it only took about half an hour for each trap and it's still not a difficult process.
David Aiken
Floor coverings. Natural fabrics (cotton, wool). Same goes for curtains and first reflection panels. The natural fabrics, as well as synthetic, do a nice job of reducing slap/flutter echo, but the natural fabrics maintain the image and timbral qualities much better than synthetic fabrics.Try some cotton bath towels on the floor between the speakers (the more the better) and listening position and also tape some to the wall behind the speakers and listen for the difference in the sound. The difference is not subtle.
Best part is you can find inexpensive rugs and make your own wall panels for cheap!
Mike Masztal
I have one speaker closer to a corner than it should be. I was experimenting with heavy towels to get an idea of how much damping was needed. Later my wife comes to me all freaked out. She thought the roof that was recently replaced was leaking.
Do you know were I can get some blueprints?
If it is Jon Risch's DIY items that you're in search of, detailed instructions can be found at his website.
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