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Luxillag NV/SA

Houtweg 56

1140 Evere - Belgium

+32 2 242 76 60

Category
Art Installation
Brand
Prolights
Date
October 12, 2024

About the Artist

Lotte Van den Audenaeren’s preferred medium is light, whether through artificial neon, fluorescent fabric, theatre spotlights, or natural sunlight. Her work could best be described as "photograffiti," a fusion of photography and graffiti. She writes with light, creating ephemeral graffiti that leaves no physical trace, only a momentary imprint.

About the Project

Beneath a grey tunnel in the heart of Brussels, a two-way road is divided by a central median. Cars pass continuously while people wait for buses on either side. At first glance, this appears to be an ordinary passageway—until two bold words, projected on opposite tunnel walls, catch your eye. In clean Helvetica font, one wall reads "forget &", while the other simply states "remember." Titled ALL THINGS WILL NEVER BE ALL THINGS, the installation highlights the fleeting and transient nature of time. The light projection of "forget & remember" is ever-changing, interacting with vehicles and buses as they pass through the tunnel. The work's appearance and visibility shift depending on the time of day and weather, influencing how viewers perceive it. It reflects on what we cherish and strive to remember, but also reminds us of the inevitable loss we experience over time. Originally installed in 2016 in Brussels’ Maelbeek tunnel, Luxillag revamped the artwork using new Prolights projectors. The Mosaico XL, a 540W zoomable LED projector, was chosen for its impressive 14,500-lumen output and advanced features, including linear CMY+CTO color mixing. With its IP66 rating, it withstands the tunnel's weather conditions seamlessly.


Technical Challenges

The artwork needed to be visible both day and night, and the projectors had to be positioned so they wouldn't interfere with traffic. This resulted in complex placement and alignment challenges. Due to the tunnel’s curvature, the projections were distorted, requiring precise adjustments to maintain the clarity of the words. Each side of the tunnel features a split projection of the words, making alignment critical. To address this, Luxillag created a 3D model of the tunnel and projector positions, ensuring the most accurate reproduction of the original artwork. Custom-made gobos were developed to fit the four projectors, and using wireless DMX technology, the MOSAICO projectors were controlled remotely from the ground with the new ControlGo. This allowed perfect synchronization, aligning the two parts of the words seamlessly across the tunnel.

Gallery

Technical specifications

Mosaico XL

  • Source: 540W high-power white LED
  • CCT: 6.000
  • Luminous flux: (6,6°) 8'812 lm - (50°) 14'253
  • Lux: (6,6°) 33'138 lx - (50°) 1'138lx @5 m full
  • Source life expectancy: > 30.000 hrs (L70B10 @Ta 25° C / 77° F)

  • Zoom: 6,6° - 50° motorised linear zoom
  • Lens diameter: 119mm / 4.69''
  • Lens type: high-quality glass lens optics
  • Focus: motorised

  • Colour mixing: linear CMY
  • CCT: linear CTO correction 3.000 K ~ 6.000 K
  • Colour wheel: 6 colour filters

  • Shutter system: 4 shutter blades with position and ±30° angle adjustment, ±45° rotation of the complete framing system
  • Animation wheel: animation wheel with CW and CCW rotation
  • Rotating gobos: 7 rotating gobos + open, interchangeable, indexing
  • Gobo size (BW): outer: 26,9 mm - image: 20,5 mm
  • Gobo size (Color): outer: 26,9 mm - image: 20,5 mm
  • Circular prism: 4f with bi-directional rotation, indexing
  • Frost: dual frost filter, soft-edge and heavy
  • Iris: 5 ~ 100% motorised iris

  • Body: aluminium die-casting
  • Body colour: RAL 9006
  • Other: inspectable cover window for gobos replacement and maintenance and record scenes and create chases and shows throughout these scenes

  • Protocols: DMX512, RDM, W-DMX, Stand Alone programmer and playback
  • DMX channels: 28 / 30 / 35 / 44channel
  • Wireless Control: included, wireless solution receiver
  • RDM: RDM for remote monitoring and settings
  • Display: black OLED touch display
  • Firmware upgrade: yes, via USB - DMX interface (UPBOXPRO/UPBOX1) not included
  • Master/Slave: for synchronised operation of more units linked in a chain

  • Dimmer: linear 0 ~ 100% electronic dimmer
  • Dimmer curves: 4 selectable dimming modes available
  • Strobe / shutter: 1 - 30 Hz, electronic
  • Display battery: self-charging battery backup
  • Operating temperature: -20° C / +45° C (-4° F / +113° F)
  • LED Control: flicker free operation

  • Mains power supply: 100-240V - 50/60Hz
  • Max power consumption: 600W
  • Standby power: 115 W
  • Power factor: >0,96
  • Inrush current: 230VAC/27.1A, 100VAC/25.2A

  • IP rating: 66 for outdoor installations
  • IK rating: 09
  • Cooling: active, with IP low noise fan
  • Suspension and fixing: bracket for hanging and positioning
  • Adaptors: XLR and BARE END 16A adaptors included
  • Signal connection: 1,8 m moulded IP signal IN/OUT connectors
  • Power connection: 1,8 m moulded IP power IN/OUT connectors
  • Dimensions (WxHxD): 403x462x565mm / 15.87''x18.19''x22.24''
  • Weight: 37kg / 81.57lbs
MOSAICOXL

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