Ushio OEM 1000668 HPL-550/77V+ Halogen Stage Bulb

• Used in entertainment, TV, stage, and theater lighting (ETC Source Four fixtures or any fixture with TP22H socket)
• 550 Watts  77 Volts
• Single Ended
• Ceramic Base With Heatsink (HT/SNK)
• T6 Bulb Type
• 300 Hours Rated Average Life (Short Life)
• 16170 Lumens
• 3250K Color Temperature
• 100 CRI
• 4-C8 Filament
• Clear Lamp
• Contains Mercury (Hg)
• 4.10 in (104.0 mm) Max Overall Length
• .748 in (19 mm) Bulb Diameter
• Other part numbers, 88534, 54623, HPL-550/77V+, JS77V-550WC