Technical Information Halogen Studiolamp single ended No. DO 5346 Edition: 09/05 - subject to change 93721 LL QXL supersedes: Status: valid Product description The QXL LL 750W 77V “Quick eXchange Lamp” is used in the Source Four “Revolution” fixture in theatres and allows easy replacement without opening the fixture. The eXtreme Seal (XS) technology protects the seal up to 450°C. Longlife version with 1500h. Technical Lamp/ order reference 93721 LL QXL ANSI QXL LIF - Rated lamp wattage W 750 Rated lamp voltage V 77 Luminous flux lm 18000 Luminous efficacy lm/W 24 Colour temperature K 3050 Length l mm max. 104 Diameter d mm max. 18.4 LCL a mm 38 Type of filament 4-C8 Filament dimensions mm Average Lifetime h Base 2 6.5 x 12 1500 Bajonett/ quick exchange (QXL) Operation conditions Burning position max. seal temperature Display/Optic Berlin Any °C 450