Christie LW40U
4,000lumens
1366×768native
1.1–1.7throw ratio
20.5 kgweight
The Christie LW40U is a 1.20" 3LCD projector rated at 4,000 lumens with a native resolution of 1366×768. It uses a 265w uhp bulb x 2 light source rated for 1,000 hours. 2 interchangeable lenses are listed, covering throw ratios from 1.1:1 to 1.7:1. Released October 2003.
Throw distance table
Distance from lens to surface for each image width (16:9 (WXGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | 38-809036-02 Fixed 1.7:1 | 38-809043-02 Fixed 1.1:1 |
|---|---|---|---|
| 2 m (6.6 ft) | 1.12 m | 3.4 m | 2.2 m |
| 3 m (9.8 ft) | 1.69 m | 5.1 m | 3.3 m |
| 4 m (13.1 ft) | 2.25 m | 6.8 m | 4.4 m |
| 5 m (16.4 ft) | 2.81 m | 8.5 m | 5.5 m |
| 6 m (19.7 ft) | 3.37 m | 10.2 m | 6.6 m |
| 8 m (26.2 ft) | 4.5 m | 13.6 m | 8.8 m |
| 10 m (32.8 ft) | 5.62 m | 17.0 m | 11.0 m |
| 12 m (39.4 ft) | 6.75 m | 20.4 m | 13.2 m |
| 15 m (49.2 ft) | 8.43 m | 25.5 m | 16.5 m |
| 20 m (65.6 ft) | 11.24 m | 34.0 m | 22.0 m |
| 25 m (82.0 ft) | 14.06 m | 42.5 m | 27.5 m |
| 30 m (98.4 ft) | 16.87 m | 51.0 m | 33.0 m |
Open in the throw-distance calculator →
Maximum image size for projection mapping
Largest image that keeps a 10:1 contrast against ambient light on a light, matte surface (80% optical efficiency). See how this is calculated.
| Ambient light | Max area | Max width × height |
|---|---|---|
| Dark rural site (1 lux) | 356 m² | 25.1 × 14.1 m |
| Quiet street at night (5 lux) | 71 m² | 11.2 × 6.3 m |
| Lit city square (15 lux) | 24 m² | 6.5 × 3.7 m |
| Bright urban area (30 lux) | 12 m² | 4.6 × 2.6 m |
| Indoor, lights dimmed (50 lux) | 7 m² | 3.6 × 2.0 m |
Full specifications
| Additional Features | Dual or single lamp operation. 2400 ANSI in single lamp mode. 13 optional lenses available. |
|---|---|
| Aspect Ratio | 16:9 (WXGA) |
| Audible Noise | 45 dB |
| Color Processing | 8-bit |
| Contrast | 900:1 (full on/off) |
| Digital Keystone | Vertical only |
| Digital Zoom | Yes |
| Display Type | 1.20" 3LCD |
| Features | CE FCC B UL |
| Included Lens | No |
| Internal Speakers | 3.0 Watts × 2 |
| Lamp Model | 03-000761-01P / POA-LMP73 Buy 03-000761-01P Lamp |
| Lens Shift | Vertical +/-0.00% |
| Light Source | 265W UHP bulb x 2 |
| Light Source Life | 1,000 hours |
| MSRP | n/a |
| Power | 660 Watts 100V - 240V |
| Projector Size | 8.90" x 17.30" x 23.80" (HxWxD) |
| Released | October 2003 |
| Resolution | 1366x768 |
| Status | Discontinued Dec 2006 |
| Video Modes | 720p, 1080i, 1035i, 575i, 480p, 480i |
| Warranty | 3 Years |
| Weight | 45.2 lbs |
| White Brightness | 4,000 Lumens (ANSI) 1 |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Compatible lenses
| Lens | Throw ratio | Distance for 10 m width |
|---|---|---|
| 38-809043-02 Fixed | 1.1:1 | 11.0 m |
| 38-809036-02 Fixed | 1.7:1 | 17.0 m |
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Sanyo PLV-WF10 | 4,000 | 1366×768 | 250W UHP bulb x 2 | 1.1–12.4:1 | $12,995 |
| EIKI LC-W4 | 4,700 | 1366×768 | 250W UHP bulb x 2 | 1.12–2.56:1 | $12,995 |
| Christie LX40 | 4,000 | 1024×768 | 300W NSH bulb | ||
| Christie LX380 | 4,000 | 1024×768 | 300W P-VIP bulb | 1.2–5.4:1 | $4,495 |
| Christie LX380L | 4,000 | 1024×768 | 300W P-VIP bulb | 1.2–5.4:1 | |
| Mitsubishi WL6700LU | 5,000 | 1366×800 | 275W Metal Halide bulb | $11,495 | |
| Mitsubishi WL6700U | 5,000 | 1366×800 | 275W NSH bulb | 1.92–2.46:1 | $11,995 |
| Epson BrightLink 1480Fi | 5,000 | 1366×768 | Laser Phosphor | 0.27:1 | $3,221 |