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An Image of the back of the ETC source four with the upgrade pack attached to the rear of the fixture
A closer image of the ETC Source four upgrade LED for the Source four profiles

ETC Source 4WRD II LED Profile Retrofit Kit Black

Backorder: Available in 12 days (25/10/2025) if ordered today
£756.00 inc VAT
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Upgrade the ETC Source Four Profile with the Source 4WRD Retrofit Kit

The ETC Source 4WRD Retrofit kit is the only truly compatible LED upgrade kit for the ETC Source Four profiles. Reduce the power consumption and extend the lifespan of these fixtures with this LED conversion.

Source 4WRD II (Watt Reduction Device) LED is a replacement for a standard Source Four burner assembly that converts the HPL source to a white-light LED and provides a significant reduction in power consumption. The simple and quick upgrade is nondestructive and takes less than a minute. In most cases it can even be done without breaking the fixture’s focus. Source 4WRD II LED is theatrically dimmable via DMX or line dimmable, with a traditional LED curve, to allow flexibility for your installation. And, because it is an LED source, your fixtures will run cool and efficiently without lamp replacements.

The ETC Source 4WRD kit is the only truly compatible LED upgrade kit for the ETC Source Four profiles. Compatible with all ETC source four fixtures this upgrade unit can help to extend the lifespan of the fixtures while also reducing the energy consumption of the fixture This ETC Source 4 upgrade makes the perfect addition to any theatre, school venue, exhibition hall or entertainment venues.

Key Features of the ETC Source Four LED Upgrade Kit

  • Reduced power consumption when compared to tungsten based lamps

Features and Benefits of the ETC Source Four Profile LED Conversion Kit

Easy LED Retrofit
Designed to turn any full size Source Four incandescent fixture into an LED fixture in seconds.
Multiple Options
Available in both 3200 K and 5900 K color temperatures.
Impressive output
The ETC Source Four upgrade kits provide the same or better levels of light output when compared to HPL lamps.

Specifications of the ETC Source 4WRD LED Upgrade

Source

  • LED details: S4WRD II LED
  • Max lumens (3200 K/3200 K Gallery/Daylight Gallery): 11,430/9,716/10,333
  • Lumens per watt (3200 K/3200 K Gallery/Daylight Gallery): 120 V: 76.2/64.8/68.9, 230 V: 65.3/55.5/59.0
  • L70 rating (hours to 70% output): 45,000 hours

Color

  • Colors used: Warm or Cool White
  • Color temperature range: 3200 K 80 or 90+ CRI, 5900 K 90+ CRI
  • Calibrated array: N/A
  • Red shift: No

Optical

  • Field angle rang: Swappable lens tubes between 5–90 degrees
  • Gate size: 79 mm
  • Aperture size: Lens dependent
  • Pattern projection: Yes
  • Pattern size: A or B (see manual)
  • Camera flicker control/ Hz range: No, not PWM dimmed

Control

  • Input method DMX: Control or Line Dimmed
  • Protocols DMX/RDM: via RJ45
  • Modes (Footprint): 1 Channel (Intensity) for DMX
  • RDM configuration: Yes
  • UI type: 7-segment address display, local level control via UI
  • Local control Yes
  • Onboard presets: No
  • Onboard sequences: No
  • Onboard effects: No
  • Fixture to fixture control: No

Electrical

  • Voltage range 114–125 V, 60 Hz (120 V), 209–252 V, 50/60 Hz (230 V)
  • Input method: Hardwired, 1 m cord, bare end or various connector options (120 V), Hardwired, 1 m cord, bare end (230 V)
  • Inrush: 30 A (first half-cycle) at 120 V, 12 A (first half-cycle) at 230 V
  • Fixtures per circuit 120 V: 14 (20 A switched circuit, R20 module or similar), 230 V: 6 fixtures per non-dimmed circuit (ER15AFR module)
  • Wattage (Typical/Standby): 150 W/1.2 W (120 V), 175 W/3.7 W (230 V)
  • Current draw: 1.26 A at 120 V, 0.75 A at 230 V
  • Notes - When using line dimming, see the S4WRD manual for dimmer setup. - When using line dimming, standby power is 0 W.

Thermal

  • Ambient operating: temp: 5°C to 50°C (41°F to 122°F)
  • Fan (controllable): Yes (no)
  • Droop compensation: No
  • dB range: 28 dBa (average at 1 m)
  • BTUs/hour: 529 (120 V), 597 (230 V)

Physical

  • Materials Die-cast aluminum: Color options Black, white, or custom color
  • Mounting options: Yoke
  • IP rating: IP-20, indoor only
  • Weight: 3.73 lb (1.69 kg) (Retrofit only)
  • Included accessories Source 4WRD mounting post

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