Technical Information Tungsten Halogen double ended No. DO 5664 Edition: 11/08 - subject to change 64572(230/240V) Supersedes: --/-Status: valid Product description The OSRAM 64571 is 1000W double-ended halogen lamps which are typically used in portable open face luminaries in video and photo productions. The lamp length is 13,5 mm longer than the popular 800W /DXX lamp and it enables 30% more lumen output than DXX from the same luminaire size. Technical Data Lamp / order reference 64572 LIF P2/35 Rated lamp wattage W 1000 Rated lamp voltage V 230/240 Average life-time h 120 Color temperature K 3200 Luminous flux lm 25000 Luminous efficacy lm/W 25 Base R7s Diameter d mm 14 max. Lamp length L1 mm 93,8 max. Contact distance L2 mm 88,4 Length of coil mm 30 Type of coil CC Lamp operation Max. pinch seal temperature Burning position Display/Optic Berlin °C 350°C max. s180