83567 Features: -Ideal for home theaters or where a variety of image formats are projected..-View from ''Letterbox'' to ''NTSC'' format or from ''HDTV'' to ''NTSC'' format with concealed-in-the-ceiling screen..-Second motor lowers and raises black masks into position to convert screen to different format..-Black case standard. White case available upon request..-Front projection fabrics are standard with black backing for opacity.. Options: -The Tensioned Dual Mask is available with a silent motor option. Unique ''step-back'' masking design eliminates shadows..
- Tensioned Dual Masking with Audio Vision fabric and 110 volt motor.
- Dual Motor Multiple Aspect Ratio Electric Screen. View from HDTV to NTSC Format. Tab guide cable system maintains even lateral tension to hold surface flat while a custom slat bar with added weight maintains vertical tension.
- Ideal for home theaters or where a variety of image formats are projected. Screen is tensioned for an extra flat surface for optimum image quality. Unique "step-back" masking design eliminates shadows. Second motor lowers and raises black masks into position to convert screen to different format.
- Audio Vision is designed for applications where a more realistic soundstage is desired, this fabric allows for the installation of speakers to be placed behind the surface. With virtually no sound loss and good image quality, this fabric provides the same optical characteristics as the Da-Mat surface with specially designed perforations to allow sound to pass through the screen material. Gain 1.0 with a 50-degree viewing half angle.