Da-Lite Tensioned Advantage Series, 87" x 139" with HD Progressive 1.0 - 21774B
Ceiling recessed electric projection screen with HD Progressive 1.0 surface, 87" x 139" size, and TAA compliance
The Da-Lite 21774B is a Tensioned Advantage Series ceiling recessed electric screen designed for professional large venue applications. This 87" x 139" (164" diagonal) screen utilizes a high-resolution HD Progressive 1.0 surface for high-quality front projection. Engineered for clean architectural integration, this model features an automatic closure door and a standard black drop. The white powder-coated case is UL Plenum rated, making it suitable for various installation environments. It includes standard 120V (60Hz) motor operation and standard low voltage control. This SKU is the specific configuration for a 16:10 wide format screen. For installation, this unit allows for a two-stage process where the case is installed during the rough-in construction phase and the surface assembly is completed during the finishing stage. It is TAA compliant and manufactured in the US.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Screen Diagonal | 164 in (416.6 cm) |
| Screen Height | 87 in (221 cm) |
| Shipping Dimensions | 172" x 13" x 10" (436.9 x 33 x 25.4 cm) |
| Shipping Weight | 121 lbs (54.9 kg) |
| Size | 87" x 139" or 164" diagonal |
| Application | Ceiling Recessed |
| Built-In Control | Standard Low Voltage Control |
| Closure Door | Automatic Closure Door |
All other specifications 13
| Drop Type | Standard Black Drop |
| Federal Ops Country of Origin | US |
| Motor | Standard 120V (60Hz) |
| Product Selection | Case/Box Only for Rough-In |
| Projection Type | Front Projection |
| Screen Format | Wide (16:10) |
| Screen Surface Features | High Resolution |
| Screen Type | Electric |
| Special Features | Large Venue |
| Surface | HD Progressive 1.0 |
| TAA Compliant | Yes |
| UPC | 717068983762 |
| Certifications | TAA |
Resources
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Questions about this part
What is the exact size and aspect ratio of the 21774B screen?
The 21774B features a screen height of 87" (221 cm) and a width of 139" (353 cm), providing a 16:10 wide screen format with a 164" (416.6 cm) diagonal.
Can this screen be used in plenum-rated ceiling spaces?
Yes, the white powder-coated case for the 21774B is UL Plenum rated for safe installation in required air-handling spaces.
What is the installation process for this recessed ceiling model?
The Tensioned Advantage series supports a two-stage installation; the case can be installed during the rough-in stage, while the surface assembly is added during the final finishing stage.
Does this screen come with control options?
The 21774B includes standard low voltage control (LVC) and is compatible with optional controls such as the Da-Lite 40975 Low Voltage Wall Switch.
Is this screen TAA compliant?
Yes, the Da-Lite 21774B is TAA compliant and is manufactured in the US.

