HPL lamp, 550W, 77V, 300hr

Overview
The ETC HPL lamp, 550W, 77V, 300hr is part of the HPL Lamps for Source Four range. The HPL is the tungsten-halogen lamp that the Source Four family is built around, with a compact four-coil filament in a krypton-filled quartz envelope. Its integral heat-sink base provides a positive thermal connection and is keyed for precise alignment in the socket. HPL lamps come in several wattages and voltages in both high-output and long-life versions.

Compatible with
HPL-based ETC fixtures such as Source Four ellipsoidals, Source Four PAR and Source Four MultiPAR (match wattage and voltage to the fixture and dimmer).

Highlights

• Compact four-coil tungsten filament
• Integral heat-sink base for effective heat dissipation
• Keyed base for precise alignment in the socket
• High-output (3250 K) and long-life (3050 K, 'X') versions

Key Specs

• Part Number: RT112
• Wattages: 375-750 W (550 W at 77 V)
• Voltages: 77 V, 115 V, 120 V, 230 V, 240 V
• Rated life: 300-400 hr (high output); 1000-2000 hr (long life, 'X' versions)
• Color temperature: 3050-3250 K
• Example output: HPL 575/115 = 16,520 lumens, 300 hr; HPL 575/115X = 12,360 lumens, 2000 hr