Da-Lite Tensioned Advantage Series, 146" x 260" with HD Progressive 1.0 - 21784E
Ceiling recessed electric screen for large venues, 146" x 260" with HD Progressive 1.0 surface and 220V (50Hz) motor
The Da-Lite 21784E is a Tensioned Advantage series ceiling recessed electric screen designed for large venue applications. Measuring 146" x 260" (370.8 cm x 762 cm), this 298" diagonal (756.9 cm) screen features an HD Progressive 1.0 surface optimized for front projection. It is engineered for seamless ceiling integration, as the built-in ceiling trim is designed to conceal the rough opening, eliminating the need for additional trim work after installation. This SKU features an automatic closure door and a standard black drop. The unit is equipped with a 220V (50Hz) motor intended for export markets and includes standard low voltage control for flexible operation. For specialized installation, the two-stage design allows the housing to be installed during the rough-in stage, while the surface assembly is completed during the finishing stage. This TAA compliant screen is manufactured in the US and features a white powder-coated case for a clean aesthetic.
Specifications are supplied by the manufacturer. For complete details, check the Resources section.Key features
Specifications
Main specifications 8
| Screen Diagonal | 298 in (756.9 cm) |
| Screen Height | 146 in (370.8 cm) |
| Shipping Weight | 897 lbs (406.9 kg) |
| Size | 146" x 260" or 298" diagonal |
| Application | Ceiling Recessed |
| Built-In Control | Standard Low Voltage Control |
| Closure Door | Automatic Closure Door |
| Drop Type | Standard Black Drop |
All other specifications 11
| Federal Ops Country of Origin | US |
| Motor | 220V (50Hz) for Export |
| Product Selection | Complete Screen |
| Projection Type | Front Projection |
| Screen Format | HDTV (16:9) |
| Screen Surface Features | High Resolution |
| Screen Type | Electric |
| Special Features | Large Venue |
| Surface | HD Progressive 1.0 |
| TAA Compliant | Yes |
| Certifications | TAA |
Resources
You'll need these with it
Questions about this part
Will this screen work with my existing ceiling configuration?
The 21784E is a ceiling recessed screen that includes built-in trim to conceal the rough opening. The sliding installation brackets provide flexibility for mounting the housing to structures above the drop ceiling.
What motor voltage is required for the 21784E?
This specific SKU is equipped with a 220V (50Hz) motor, which is intended for export use rather than standard US residential power.
How do I control the screen movement?
This model includes standard low voltage control (LVC). For complete installation, you may need to add accessories like the Da-Lite 40975 Low Voltage Wall Switch.
What is the difference between the standard drop and other surfaces?
This model features a standard black drop of 12". Note that if you were using a Parallax Pure surface, the standard drop would be 2" instead.
Is the 21784E TAA compliant for government contracts?
Yes, this product is TAA compliant and is manufactured in the USA.

