Da-Lite 21828L Tensioned Large Advantage Electrol Projection Screen
The Da-Lite 21828L is a premium tensioned projection screen engineered for professional AV installations requiring exceptional image quality and reliability. This Tensioned Large Advantage Electrol model delivers a massive 208" diagonal viewing area with a 1.1 gain HD Progressive surface, making it ideal for corporate boardrooms, auditoriums, and high-end presentation environments. The 16:10 wide aspect ratio accommodates modern widescreen content while the motorized tensioning system ensures a perfectly flat, wrinkle-free projection surface every time. Built for high-resolution projection systems, this large-format screen combines durability with superior optical performance.
Key Features
- 208" diagonal with 176" width x 110" height dimensions for expansive viewing
- Tensioned Large Advantage Electrol motorized system for consistent flat surface
- 1.1 gain HD Progressive surface optimized for modern projectors
- 16:10 wide aspect ratio supports widescreen and cinema formats
- Electrically operated with smooth, quiet deployment and retraction
- Professional-grade construction for demanding commercial environments
- Designed for high-resolution and wide-format projection applications
- Maintains image flatness and color accuracy across entire screen surface
Technical Specifications
| Specification |
Details |
| Manufacturer |
DA-LITE SCREEN COMPANY |
| Part Number |
21828L |
| Screen Type |
Tensioned Large Advantage Electrol |
| Diagonal Size |
208" |
| Width |
176" |
| Height |
110" |
| Aspect Ratio |
16:10 Wide |
| Surface Gain |
1.1 HD Progressive |
| Operation |
Motorized/Electrically Operated |
| Application |
Professional AV, Corporate, Auditorium, High-Resolution Projection |
Frequently Asked Questions
What is the ideal projection distance for a 208" diagonal tensioned screen?
The optimal throw distance depends on your projector's lens specifications. For most professional projectors, a 208" diagonal screen works best with throw ratios between 1.5:1 and 2.5:1. Consult your projector's documentation and Da-Lite's installation guide to determine the exact distance for your setup.
How does the 1.1 gain HD Progressive surface improve image quality?
The 1.1 gain surface provides a slight brightness boost while maintaining excellent color accuracy and wide viewing angles. HD Progressive technology ensures compatibility with high-resolution content and modern projection systems, delivering sharp, vibrant images without hot-spotting.
Is the Da-Lite 21828L motorized tensioned screen suitable for permanent installation?
Yes, the Tensioned Large Advantage Electrol is designed for permanent professional installations in boardrooms, auditoriums, and presentation theaters. The motorized system ensures consistent performance and the tensioning mechanism maintains a perfectly flat surface for superior image quality over years of use.
What are the benefits of a 16:10 wide aspect ratio for projection screens?
The 16:10 wide aspect ratio accommodates both widescreen presentations and cinema-format content, making it versatile for diverse applications. This format is ideal for business presentations, video conferencing, and multimedia displays in professional environments.
