Technical Information Tungsten Halogen single ended No. DO 5337 Edition: 05/06 - subject to change 64788 (230/240V) Supersedes: / Status: valid Product description The OSRAM 64788 is mainly used for studio and theatre lighting as well as film production. This is a popular lamp and widely fitted into Fresnel, Profile, PC Spot and Follow Spot luminaires. . Technical Data Lamp / order reference 64788 ANSI FTM LIF CP/72 Rated lamp wattage W 2000 Rated lamp voltage V 230/240 Average life-time h 400 Color temperature K 3200 Luminous flux lm 52000 Luminous efficacy lm/W 25.40 Base GY16 Diameter d mm 34 + 1 Lamp length L mm 145 max. LCL a mm 70 + 2 Filament dimensions (w x h) mm 20 x 19 Type of coil biplan Lamp operation Max. pinch seal temperature °C 350°C max. Burning position s90 Fuse protection 10A quick Display/Optic Berlin