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  1. QRD Fractal Diffuser

    Home Audio Acoustics
    Saw these on eBay and wondered how effective they would be as they look like they are made of styrofoam. http://www.ebay.com/itm/Skyline-QRD-Fractal-Sound-Acoustic-Diffuser-Diffusor-Panel-Absorption-Treatment-/232091714480?hash=item3609be83b0:g:3k4AAOSwOyJX5FMA
  2. Wrapping QRD panels w/ fabric?

    Home Audio Acoustics
    I built some QRD N7 panels for my room and would rather cover them with black fabric to match my absorption panels. As long as I use a breathable fabric would this have alot of negative affects on the performance values? My "diffusion" range is 750hz - 4khz. How much of a negative would this...
  3. Gik QRD monster trap

    Home Audio Acoustics
    I have read that there was a product that was going to be a Gik monster trap with a QRD Diffusor placed in front of it that was going to be released in 2010 but I can't find it on the site for sale did this item not work out or was it replaced with something else? It sounded like it would be...
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