DDL 20v 150w GX5.3 Unbranded Disco Stage Studio Bulb Lamp DDL UK Stock. DN-28803. EAN 6928692328803. Cross reference: Osram 93630, GE 43537, ANSI DDL, GE EAN 0043168993166. Designed for optimum performance in today’s precision range of disco, stage and studio applications. Electrical data: Nominal wattage 150 W, Nominal voltage 20 V. Light technical data: Colour temperature 3250 K. Dimensions: Diameter 50.0 mm, Overall Length 40.0 mm. Average Lifespan & Base: Lifespan 500 h. Base: GX5.3.