Technical Information Tungsten Halogen single ended No. DO 5321 Edition: 05/06 - subject to change 64670 (230/240V) Supersedes: / Status: valid Product description The OSRAM 64670 is mainly used for stage and theatre and fitted into Fresnel, Profile and PC Spot luminaires. Technical Data Lamp / order reference 64670 ANSI GCV LIF T/25 Rated lamp wattage W 500 Rated lamp voltage V 230/240 Average life-time h 300 Color temperature K 3000 Luminous flux lm 11000 Luminous efficacy lm/W 22 Base GY9.5/16 Diameter d mm 23 Lamp length L mm 90 max. LCL a mm 46.5 + 1 Type of coil biplan Lamp operation Max. pinch seal temperature °C 350°C Burning position s90 Fuse protection 4A, quick Display/Optic Berlin