Grand Master Light GML PAR 1820 IP All-Weather LED PAR Spotlight
Technical Specifications
| Fixture type | All-Weather LED PAR Spotlight |
| Ingress protection | IP65 |
| Light source | 18 × 20W RGBW 4-in-1 LED (optional RGBWA / RGBWA UV) |
| Color temperature | 3000K – 7600K (tunable) |
| Beam angle | 25° |
| Light source lifetime | 50,000 hours |
| Refresh rate | Flicker-free management |
| Dimming | Linear, 0–100% |
| Strobe | Electronic, 0.3–20 flashes/s (up to 20 Hz) |
| Control protocols | DMX512, RDM |
Optical System and Color Mixing
The GML PAR 1820 IP is a full-scale stage and architectural luminaire housed in an IP65 weatherproof enclosure. The light engine features 18 multi-chip 20W LEDs configured as RGBW 4-in-1 (with optional RGBWA and RGBWA+UV configurations). The optical train delivers a 25° beam angle. Tunable CCT ranges from 3000K to 7600K alongside flicker-free management suitable for broadcast studio and video recording applications.
Mechanical Build and IP65 Enclosure
The chassis is constructed from die-cast aluminum alloy. Complete IP65 ingress protection and an operating temperature range from -40°C to +45°C enable operation in outdoor festivals, facade illumination, and harsh environment installations. The luminaire weighs 5.5 kg in a black finish (white housing available as an option).
Control and Connectivity
The electronic dimming system provides stepless 0–100% linear control. The strobe operates from 0.3 to 20 flashes per second (up to 20 Hz). Control protocols include USITT DMX512 and RDM across 4 or 8 DMX channels. The rear connection panel features weatherproof Seetronic PowerCON TRUE1 In/Out and Seetronic 3-pin XLR In/Out connectors. Rated power consumption is 170W on AC 110–240V 50/60Hz mains.