Perforated vs. Non-perforated Gain Specifications - AVS Forum
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post #1 of 1 Old 10-31-2001, 05:35 PM - Thread Starter
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From the Draper web site:

http://www.draperinc.com/Screen_Page...ons.htm#AT1200

AT1200 The most innovative and versatile acoustically transparent screen material available. Superior in gain performance to standard matt white material and does not require tensioning for flatness. Acoustical properties comparable to the finest speaker grille cloth. Washable, flame and mildew resistant. Peak gain 1.3
It's called the AT1200 which would seem to make it a 1.2 gain screen material, but the web site says 1.3. I've seen the Sharp 9000 DLP projector on this screen and really like the picture. (The salesmen told me it was 1.2 gain also.) My questions:
  • Is it 1.2 or 1.3 gain?
  • Is a 1.3 gain perforated screen equivalent to a 1.3 gain non-perforated screen? In other words, when they say a perforated screen is 1.3 gain are they taking the holes into account?
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