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diffraction

  1. H

    Yamaha NS-1000 driver diffraction reduction

    I know that there is some worry that sound wave diffraction from the edges of drivers can be of concern. To reduce that on my NS-1000's I cut some wool panels to place over the mid and high drivers. The material is 1/2" natural wool felt and I have attached the laser cut file here if anyone...
    • handyguy
    • Thread
    • diffraction laser cut ns-1000 wool felt yamaha
    • Replies: 9
    • Forum: Speakers
  2. S

    Advice on a/d/s/ CM7 project..?

    I am (reversibly, mostly) modifying a pair of a/d/s/ (ADS / Braun) CM7’s & I’m feeling a bit baffled about the baffles. The project goal is to tri-amp via Deqx preamp/processor with n-core monoblock tri-amplifiers. My main concern on CM series is the flanges on top & bottom as part of grill...
  3. Johnny_Law

    Replacing diffraction foam on an AR11 200003 woofer?

    As is commonplace, I recently replaced the foam surrounds on my AR11B's 200003 woofers. The foam replacement went well. However, in order to get to the screws, I had to remove the layer of felt-like material that was stuck to the woofer frame to act as a diffraction ring. Now I'm wondering...
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