Description
575W/120V, Tungsten Halogen, HPL Series, Ultra Compact Filament (UCF) "HPL lamps" are a group of stage, studio and architectural lamps and have been specifically designed to work with ETC Source Four fixtures. Although HPL lamps are available in various wattages and voltages, they all feature G9.5 medium 2-pin bases with heat sinks. OSRAM 54817 is an "HPL 575" that operates on 120V and is a member of OSRAM's UCF (Ultra Compact Filament) series. UCF lamps feature a compact filament design that improves light gathering, light output, and efficiency.