Hitachi · Under 3,000 lumens · XGA
Hitachi CP-RX78
2,200lumens
1024×768native
1.44–1.73throw ratio
3.5 kgweight
The Hitachi CP-RX78 is a 0.63" 3LCD projector rated at 2,200 lumens with a native resolution of 1024×768. It uses a 190w uhb bulb light source rated for 3,000 hours / 6,000 hours (Eco). Its lens has a throw ratio of 1.44–1.73:1. Released October 2009.
Throw distance table
Distance from lens to surface for each image width (4:3 (XGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 1.44–1.73:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.5 m | 2.9–3.5 m |
| 3 m (9.8 ft) | 2.25 m | 4.3–5.2 m |
| 4 m (13.1 ft) | 3.0 m | 5.8–6.9 m |
| 5 m (16.4 ft) | 3.75 m | 7.2–8.7 m |
| 6 m (19.7 ft) | 4.5 m | 8.6–10.4 m |
| 8 m (26.2 ft) | 6.0 m | 11.5–13.8 m |
| 10 m (32.8 ft) | 7.5 m | 14.4–17.3 m |
| 12 m (39.4 ft) | 9.0 m | 17.3–20.8 m |
| 15 m (49.2 ft) | 11.25 m | 21.6–25.9 m |
| 20 m (65.6 ft) | 15.0 m | 28.8–34.6 m |
| 25 m (82.0 ft) | 18.75 m | 36.0–43.2 m |
| 30 m (98.4 ft) | 22.5 m | 43.2–51.9 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) | 196 m² | 16.1 × 12.1 m |
| Quiet street at night (5 lux) | 39 m² | 7.2 × 5.4 m |
| Lit city square (15 lux) | 13 m² | 4.2 × 3.1 m |
| Bright urban area (30 lux) | 7 m² | 2.9 × 2.2 m |
| Indoor, lights dimmed (50 lux) | 4 m² | 2.3 × 1.7 m |
Full specifications
| Aspect Ratio | 4:3 (XGA) |
|---|---|
| Audible Noise | 36 dB / 29 dB (Eco) |
| Color Processing | 8-bit |
| Connection Panel | Composite: RCA VGA In: Dsub-15pin |
| Contrast | 400:1 (full on/off) |
| Data Modes | MAX 1600x1200 |
| Digital Keystone | Vertical only |
| Display Type | 0.63" 3LCD |
| Features | CE Blackboard Mode UL |
| Image Size | 30.00" - 300.00" |
| Included Lens | 1.2x manual zoom , manual focus |
| Internal Speakers | 1.0 Watts Mono |
| Lamp Model | DT01022 / DT01026 Buy DT01022 Lamp |
| Lens Shift | No |
| Light Source | 190W UHB bulb |
| Light Source Life | 3,000 hours / 6,000 hours (Eco) |
| MSRP | n/a |
| Power | 250 Watts 100V - 240V |
| Projector Placement | For a " diagonal screen, place the projector lens between 9'-6" and 11'-5" from the screen. |
| Projector Size | 3.90" x 12.50" x 11.30" (HxWxD) |
| Released | October 2009 |
| Resolution | 1024x768 |
| Status | Discontinued Apr 2011 |
| Throw Distance | 3.3' - 28.8' Calculate Throw Distance |
| Throw Ratio | 1.44:1 - 1.73:1 (D:W) |
| Video Modes | 720p, 1080i, 1080p/60, 576i, 576p, 480p, 480i |
| Warranty | 3 Years |
| Weight | 7.7 lbs |
| White Brightness | 2,200 Lumens (ANSI) 1 / 1,600 Lumens (Eco) |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Hitachi CP-A220N | 2,200 | 1024×768 | 210W UHP bulb | 0.31:1 | |
| Hitachi CP-A221N | 2,200 | 1024×768 | 210W UHP bulb | 0.31:1 | |
| Hitachi CP-A222WN | 2,200 | 1024×768 | 215W UHP bulb | 0.31:1 | |
| Hitachi CP-RX79 | 2,200 | 1024×768 | UHB bulb | 1.52–1.83:1 | |
| Hitachi CP-RX80 | 2,200 | 1024×768 | 210W UHP bulb | 1.44–1.73:1 | $995 |
| Hitachi CP-RX82 | 2,200 | 1024×768 | 200W UHP bulb | 1.5–1.8:1 | |
| Hitachi CP-RX82Z | 2,200 | 1024×768 | 200W UHP bulb | 1.5–1.8:1 | |
| Hitachi CP-X200 | 2,200 | 1024×768 | 220W UHB bulb | 1.48–1.77:1 | $1,995 |