Da-Lite Arena Electrol, 174" x 408" with Matte White - 20821
Large format Cinemascope electric projection screen, 174" x 408" with a Matte White surface for front projection
The Da-Lite Arena Electrol 20821 is a motorized projection screen designed for large-scale venues requiring a wide format. This specific model features a 174" x 408" dimension with a 444 in (1,127.8 cm) diagonal, configured in a 2.35:1 Cinemascope aspect ratio. It is engineered for front projection applications and utilizes a Matte White surface with white backing to ensure a high-quality viewing area. The screen is housed in a durable black steel case with a steel inner frame and features a borderless design. To ensure a flat viewing surface and smooth retraction, the unit includes a built-in balancing system and steel cable guides. This screen can be installed in either ceiling or wall applications.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
| Screen Diagonal | 444 in (1,127.8 cm) |
| Screen Height | 174 in (442 cm) |
| Size | 174" x 408" or 444" diagonal |
| Application | CeilingWall |
| Projection Type | Front Projection |
| Screen Format | Cinemascope (2.35:1) |
| Screen Surface Features | Standard Resolution |
| Screen Type | Electric |
| Surface | Matte White (White Backing) |
Resources
You'll need these with it
Da-Lite Radio Frequency Single Channel Wall Switch For Wireline (120V), Studio or Arena
28359$340.80
Da-Lite Radio Frequency Dry Contact Interface For Wireline (120V), Studio or Arena
71912$236.80
Da-Lite Radio Frequency Range Extender For Wireline (120V), Studio or Arena 05
35166$304.80
Da-Lite Radio Frequency RS-232 Control For Wireline (120V), Studio or Arena
29243$1,112.80
Da-Lite Replacement Radio Frequency Transmitter For Wireline (120V), Studio or Arena
99472$186.40
Questions about this part
What is the aspect ratio of the Da-Lite 20821?
This Arena Electrol model features a 2.35:1 Cinemascope aspect ratio, making it suitable for wide-format cinematic projection.
Can the Arena Electrol be installed on a wall or ceiling?
Yes, this screen is designed for both ceiling and wall applications in large venues.
What control options are available for the Arena Electrol motor?
The screen comes with a radio frequency remote control. Additional options include the Da-Lite 28359 wall switch, the 71912 dry contact interface, or the 29243 RS-232 control.
Does this screen require a specific projection type?
The 20821 is specifically designed for front projection applications.
What is the total width of this screen?
The screen has a total width of 408 inches (10.36 meters).