AVS Forum Special Member
Join Date: Jul 1999
Location: Morgan Hill, CA USA
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I currently have a DaLite Audiovision screen and heard horror stories about sound attenuation, pixel gap moire, and low frequency vibration distortion with full frequency fronts.
I think that the sound is fine, but I have electrostatic speakers which are naturally bright, so I might not notice if there was a slight falloff in high frequencies.
I didn't have any pixel gap moire problems, but I have a D-ILA FPTV and an ISCO 16:9 lens which combines for minimal visible pixel gap getting to the screen.
Even with heavy bass scenes and 8-12" woofers up front I haven't seen any picture problems from a vibrating screen (from any distance).
With my first G1000/ISCO FPTV setup I couldn't see the perforations from 10 feet away, but when I upgraded to a G15 (about twice the brightness) I could see the perforations during bright scenes up to 13' away and had to back up the main seating to 15' away, where they are not visible anymore.
I also had problems with the brighter image passing through the screen and reflecting off the back wall and the speakers metal components.
I had to cover the back wall and shiny bits with black felt to stop the reflections, but it looks fine now.
I will be testing the Stewart Grayhawk perforated screen soon, and will be able to compare both the screen's picture properties and audio quality compared to the DaLite screen.