Ricoh · 5,000–7,999 lumens · 4K
Ricoh UHL3660
6,500lumens
3840×2160native
0.24–0.24throw ratio
11.5 kgweight
The Ricoh UHL3660 is a 0.65" DLP x 1 projector rated at 6,500 lumens with a native resolution of 3840×2160. It uses a laser phosphor light source rated for 20,000 hours / 40,000 hours (Eco). Its lens has a throw ratio of 0.24:1. Released December 2024.
Throw distance table
Distance from lens to surface for each image width (16:9 (4K HD)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 0.24:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.12 m | 0.5 m |
| 3 m (9.8 ft) | 1.69 m | 0.7 m |
| 4 m (13.1 ft) | 2.25 m | 1.0 m |
| 5 m (16.4 ft) | 2.81 m | 1.2 m |
| 6 m (19.7 ft) | 3.38 m | 1.4 m |
| 8 m (26.2 ft) | 4.5 m | 1.9 m |
| 10 m (32.8 ft) | 5.62 m | 2.4 m |
| 12 m (39.4 ft) | 6.75 m | 2.9 m |
| 15 m (49.2 ft) | 8.44 m | 3.6 m |
| 20 m (65.6 ft) | 11.25 m | 4.8 m |
| 25 m (82.0 ft) | 14.06 m | 6.0 m |
| 30 m (98.4 ft) | 16.88 m | 7.2 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) | 578 m² | 32.0 × 18.0 m |
| Quiet street at night (5 lux) | 116 m² | 14.3 × 8.1 m |
| Lit city square (15 lux) | 39 m² | 8.3 × 4.7 m |
| Bright urban area (30 lux) | 19 m² | 5.9 × 3.3 m |
| Indoor, lights dimmed (50 lux) | 12 m² | 4.5 × 2.5 m |
Full specifications
| Aspect Ratio | 16:9 (4K HD) |
|---|---|
| Audible Noise | 36 dB / 32 dB (Eco) |
| Best Used For | Corporate/Business Digital Signage Museum/Exhibits |
| Brightness | 6,500 Lumens (ANSI) 1 |
| Color Processing | 10-bit |
| Connection Panel | Audio Out: Mini Jack HDBaseT: RJ-45 HDMI 2.0 (HDCP 2.2) x 2 Network: RJ-45 RS232: DB-9pin USB: A Wireless Networking |
| Data Modes | MAX 3840x2160 |
| Digital Keystone | Horizontal & Vertical |
| Digital Zoom | Yes |
| Display Type | 0.65" DLP x 1 |
| Features | Short-Throw Edge Blending Geometric Correction HDR Miracast |
| Image Size | 84.55" - 159.96" |
| Included Lens | Fixed focal length , Powered focus |
| Internal Speakers | 3.0 Watts × 2 |
| Lens Shift | No |
| Light Source | Laser Phosphor |
| Light Source Life | 20,000 hours / 40,000 hours (Eco) |
| MSRP | n/a |
| Power | 460 Watts 100V - 240V |
| Projector Size | 5.47" x 20.87" x 18.50" (HxWxD) |
| Released | December 2024 |
| Resolution | 3840x2160 w/pixel shifting |
| Status | Shipping |
| Street Price | $6,695 (USD) |
| Throw Distance | 1.5' - 2.8' Calculate Throw Distance |
| Throw Ratio | 0.24:1 (D:W) |
| Video Modes | 720p, 1080i, 1080p/60 |
| Warranty | 3 Years |
| Weight | 25.4 lbs |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Digital Projection E-Vision 6220 4K-UHD | 6,500 | 3840×2160 | Laser Phosphor | ||
| Appotronics MK650A | 6,500 | 3840×2160 | Laser Phosphor | 0.5–2.48:1 | |
| Panasonic PT-RQ6LBU | 6,500 | 3840×2160 | Laser Phosphor | 0.28–8.53:1 | $10,168 |
| Barco Medea | 6,500 | 3840×2160 | Laser Phosphor | 0.57–6.08:1 | |
| Vivitek DK5153Z | 6,200 | 3840×2160 | Laser Phosphor | 1.15–1.9:1 | $7,999 |
| Appotronics AL-MK625A | 6,200 | 3840×2160 | Laser Phosphor | 0.5–2.48:1 | $9,599 |
| LG ProBeam BU70QGA | 7,000 | 3840×2160 | Laser Phosphor | 1.53–2.45:1 | $4,999 |
| Barco Balder | 7,000 | 3840×2160 | Laser Phosphor | 0.3–4.6:1 |