Osram 64670 T/25 500W 240V single end halogen lamp.
To fit most popular 500 Watt or 650 Watt halogen theatre spots including: CCT Minuette, Selecon Acclaim, Strand Quartet/Prelude, Teatro Comma.
Nominal luminous flux: 11,000 Lumens
Nominal life: 300 hr
LCL: 46.5 mm