The HPL 575 watt Long Life (LL) theatre lamp features an impressive 1500 hour lifespan, a GY9.5 base and a 3200k colour temperature. It is mainly compatible with the ETC Source 4 range, amongst others, including:

• ETC Source 4
• ETC Source 4 Par
• ETC Source 4 Parnal
• ETC Source 4 Junior