ETC Source Four LED Series 3
The ETC Source Four LED Series 3 is a high-performance ellipsoidal fixture designed to deliver exceptional brightness and color fidelity.

The ETC Source Four LED Series 3 is a high-performance ellipsoidal fixture designed to deliver exceptional brightness and color fidelity for professional stage and studio applications. Featuring advanced LED technology, it produces a rich, full-spectrum output that rivals traditional tungsten sources while consuming significantly less power. Its innovative x8 color system allows for precise color mixing, giving designers unparalleled control over saturated hues and subtle pastels alike. The fixture’s high lumen output ensures strong projection, making it ideal for long throw distances and large venues. With its interchangeable lens tubes, users can easily adapt beam angles to suit a wide range of lighting needs. The Series 3 also offers smooth, flicker-free dimming, ensuring consistent performance for both live events and broadcast environments. Built with ETC’s renowned durability, it is engineered to withstand the demands of touring and permanent installations. Its quiet, fan-cooled operation makes it suitable for noise-sensitive environments such as theaters and studios. The intuitive user interface simplifies setup and adjustments, saving valuable time during production. Overall, the Source Four LED Series 3 combines power, flexibility, and reliability, making it a top-tier solution for modern lighting professionals.

Additional information

LED details LED details 90 Lumileds LUXEON® C and CZ
Max lumens 10,889
Lumens per watt 35
L70 rating (hours to 70% output) >54,000
Colors used Deep Red, Red, Amber, Lime, Green, Cyan, Blue, Indigo
Color temperature range 1900–10450 K
Calibrated array Yes
Red shift Yes (selectable)
Beam angle range Swappable lens tubes between 5°–90°
Gate size 80 mm
Aperture size 6.25–17.5 in (depending on lens tube)
Pattern projection Yes
Pattern size A or B
Camera flicker control/Hz range Yes: 5 kHz, 25 kHz
Protocols DMX-512, RDM, City Theatrical Multiverse, NFC
Modes (footprint) 5 modes (1–12 channels)
RDM configuration Yes
UI type Full color display
Local control Yes
Onboard presets Yes (12)
Onboard sequences Yes
Onboard effects No
Voltage range 100–240 VAC 50/60 Hz
Input method AC via Neutrik powerCON TRUE1 TOP
Inrush 40 A at 120 V (First half-cycle) 80 A at 230 V (First half-cycle)
Fixtures per circuit 5 (link up to 4 via Power Thru connector) Note: TRUE1 connector rated for 20 A (120 V / 60 Hz) and 16 A (240 V / 50 Hz)
Wattage typical 307 W at120 V 305 W at 230 V
Current draw 2.6 A at 120 V 1.35 A at 230 V
Ambient operating temp 0°–40° C (32°–104° F)
Fan (controllable) Yes
Droop compensation Yes
dB range 34 dBA average at 1 m
BTUs/hour 1,047
Materials Die-cast, all metal housing
IP rating IP20
Weight With barrel: 19.55 lb Without barrel: 14.90 lb
Notes - Positive locking double-clutch fixture body - Slot for glass or stainless steel patterns and soft focus diffuser - Wide accessory slot with sliding cover

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