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RE: DIY Speaker Grills

68.103.3.192

Ron Oehlert

In Reply to: RE: DIY Speaker Grills posted by Dawnrazor on February 01, 2010 at 11:43:08

One just fabricates a framework from wood or other easily workable yet strudy material. Then one stretches & attaches a fabric of choice wrapped over the frame. Staples will do for the attachment method. ANY fabric one can easily see thru will also easily pass sound waves, so hold up your fabric candidates to the light or a window for examination; Local Sewing Fabric stores are excellent sources for such fabrics, or visit a loudspeaker parts dealer on-line for fabric selections. Asylum sponsor Antique Electronic Supply offers some grill fabrics by the yard, as used in old radio or guitar amplifier speakers.

Follow Ups:

HF loss - djk 16:09:46 02/01/10 (3)
I took a spectrum analyzer to a fabric store, I ended up ordering real grill cloth from Parts Express.

I was suprised at how much HF loss a fabric you could see through could actually have.

PE has a variety of colors, and white may be dyed to anything.
- Real cloth - Ron Oehlert 19:08:22 02/02/10 (2)
  So what exactly IS so-called *Real* grill cloth? If more than just a label, is it a special or particular thread? Natural or synthetic? Size of weave? Please divulge the criteria that distinguishes from another open-weave cloth if one has no frequency analizer at their disposal.
  
  Edits: 02/02/10
  - RE: Real cloth - caspian@peak.org 19:58:14 02/02/10 (1)
    The best grill is no grill, because all fabrics muffle the highest frequencies. The thinner the cloth, the more open the knit, the higher in frequency it starts to muffle, but it still does.
    
    I've found the thin open-knit polyester from the local fabric store to be indistinguishable, sonically and physically (under a microscope), from the stuff typically used for commercial grill cloth. I would venture to say it's exactly the same stuff.
    
    And taking a frequency analyzer to a fabric store? As if women don't regard us as weird enough, already? I bet that gave those gals some stories to tell their friends!
    - RE: Real cloth - djk 23:45:59 02/02/10 (0)
      A relative owned the fabric store, testing was done after hours.

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