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  1. Home Audio Acoustics
    Silly question, I know. I have too many cats. They own the house, obviously. I threw some panels I had from a sealed off room in my living room as a test. The next day? They had already done some damage to them and climbed all over! Blah. It was just felt, so wasn't expensive... But I'd...
  2. Home Audio Acoustics
    Hi guys, I am wanting to build some acoustic panels for my living room HT. We really don't have a lot of options here in Oz. Rigid fiberglass and Rockwool is pretty much impossible to find, and the densest insulation material I could find locally is only 11kg/m3. Pretty well useless. The only...
  3. Home Audio Acoustics
    I am planning on making my own corner base traps .Triangle shape floor to ceiling. I have been thinking of using recycled cotton insulation. I can get it locally and the price is reasonable. Anyone have any experience using it ?? I copied the info below from their documentation. I am about 2...
  4. Home Audio Acoustics
    From the research that I have done so far, it seems that OC 703/705 is the popular/prefer material to use for bass traps and acoustical treatments, why? When looking at http://www.bobgolds.com/AbsorptionCoefficients.htm : OC 703 3" 3.0 pcf (48 kg/m3) 0.53 1.19 1.21 1.08 1.01 1.04 1.10 Safe n...
  5. Home Theater Design and Construction
    greetings! first time poster, long time viewer. was drawn to this site from CSS (loving the sub builds), will be ordering a sub from them soon to DIMyself. Anyway, my basement is rectangular, but one corner is angled and completely drywalled. (essentially cut the top corner off a rectangle). I...
  6. Home Theater Design and Construction
    Hi again! Ok, so I'm planning to renovate my HT! I did a Goggle Sketchup of the room in a very rough way. Here are 2d graphics: The room from outside (it's above the garage) https://picasaweb.google.com/pharmaphil/DropBox?authkey=Gv1sRgCJ78wdKtmdnSmQE#5667792316538220882 The size is 11'...
  7. Home Audio Acoustics
    Hi! This is my first post here, I'm totally new to audio and acoustics and I'm looking at building broadband corner absorbers for my living room. I live in Australia so obviously don't have access to US materials. I contacted a local business and have been quoted on the following materials...
  8. Home Audio Acoustics
    In expectation of the OC703 coming in today, I purchased some wood to frame the panels. I had planned to build a frame around the edges of each panel, as in rip the pine down to the same thickness as the OC703 and box it in. After reading another DIY panel build, I'm rethinking this project...
  9. Manufactured Screens
    Founded in 2002, Beamax is a European creator of home cinema projection screens. I contacted them by email inquiring about samples of their screen materials for review. Otto Tromm (founder and managing director) replied quickly and sent three samples - 1.5 gain Matte White, 1.2 gain Matte...
  10. Home Audio Acoustics
    I have some DIY panels covered in black burlap. They are at the front of the theater/media room where its dark so they blend in well. I need to add side, back, and rear corner traps and these will be more visible so I'm looking for something more aesthetic. So what other material choices...
  11. DIY Subwoofers - General Discussion
    Just been thinking about damping materials used inside a subwoofer cabinet. Collo's sonosub program tells me to add damping to the underside of the topcap to dampen the box resonance which was around 45hz. Now if we're taling room treatments, to make a bass absorber to work down to 45hz...
  12. DIY Screens
    This is the last sticky thread. If anyone can think of anything that should be covered with a sticky to go over the basics and provide information and specs on a method that was not covered, send me a PM and I will get a thread going. This thread is one that I am going to need some help with...
  13. DIY Subwoofers - General Discussion
    Hello Friends! I have read that filling subwoofer walls with an insulation material has for main target to make the enclosure act like a bigger one (enhance LF response). From the other side, I have also read that this helps with wall resonances. Moreover, there are many types of insulation...
  14. DIY Speakers
    I have started this thread because over the last few weeks I have been looking into older P.A cabinet designs and I started to notice that a few of the original guitar amps and cab designs were made from chipboard (particleboard). It got me thinking about the sonics of chipboard as compared to...
  15. DIY Subwoofers - General Discussion
    What is the best acoustic material to use in a sub box ???? Open cell foam? Close cell foam? Fiberglass insulation? Batting etc.......? Does it matters if you use two materials..... something dense and absorption material??:dontknow: Dense......................SheetBlok Sound Isolation...
  16. Home Audio Acoustics
    I have been doing a bit of research on that materials used to acoustically treat HT rooms, most of the products that are used don't seem to be available in Australia. Now that there's quite a few Aussies on this forum, what materials do you use and where did you get them from?? The only things...
  17. DIY Speakers
    I'd like to cover my IB with a DIY steel mesh speaker grill or something similar. Parts Express describes their ready made round subwoofer grills as "heavy duty expanded steel mesh" in their product desciption, but it doesn't look like what I come up with if I google "expanded steel mesh."...
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