ROBE Tetra

TETRAgnatha is a Linear bar building on the Spiider and Tarrantula technology.

Generating an ultra-tight 4.5° beam from each of the 18 pixels, they combine to produce a bright, defined “sheet” of light, desired by Lighting Designers. Seamless curtains of light can be constructed using several fixtures.

With the addition of two exclusive Robe patented  MCFE™ – Multi-Coloured Flower Effects, the pixel-driven Tetra sets itself apart from others by projecting charismatic in-air animations.

The compact, detailed design, allows end to end placement on stage or truss, maintaining equal spacing between pixels. The homogenised beams, together with the smooth 10:1 zoom, provide; a wash out to 45°, a footlight, a wall graze or dynamic in-air effects with fast paced sweeping movements.

Utilizing the latest Robe proprietary technology, including; L3™ – (Low Light Linearity) for an imperceptible fade to black, 18 bit control for ultra-smooth colour mixing and Cpulse™ for flicker free film and television – including the very latest cameras.

An embedded Ethernet switch and wide range of protocols (sACN, Art-Net or Kling-Net) allow a quick network installation and ease of control from media servers, DMX or the internal effects engine.

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  • Light source type: 18x 40W RGBW LED multichips
  • LED life expectancy: min. 20.000 hours
  • Typical lumen maintenance: 70% @ 20.000 hours


  • Robe’s proprietary optical design
  • Zoom range: 4.5°- 45°
  • High efficient component optics
  • Fixture total lumen output: 6.700 lm


  • Colour mixing mode RGBW or CMY
  • Individual control of each RGBW pixel
  • Variable CTO: 2.700K – 8.000K
  • Tungsten lamp effect at whites: 2700K – 4200K
  • DataSwatch™ filters: pre-programmed 237 colours and tones including most used whites 2.700K, 3.200K, 4.200K, 5.600K and 8.000K
  • Pre-programmed pixel effects with colour, dimming and strobe chases, waves and pulses at variable speed and direction
  • 2x MCFE™ – Multi-Coloured Flower Effects – creating spectacular multicolour beam effects in the air rotating in both directions at variable speed (patent pending)
  • Motorized zoom
  • Pre-programmed random strobe & pulse effects
  • Electronic strobe effect with variable speed up to 20 Hz
  • High resolution electronic dimming: 0 – 100%
  • L3™ – (Low Light Linearity) Imperceptible 18 bit dimming for ultra smooth fade to black
  • Cpulse™ special flicker free management for HD and UHD cameras, ready for 8K and 16K


  • Setting & Addressing: QVGA Robe touch screen with battery backup, gravitation sensor for auto screen positioning, operation memory service log with RTC, stand-alone operation with 3 editable programs (each up to 88 steps), built-in analyser for easy fault finding
  • Protocols: USITT DMX-512, RDM, Art-Net, MA Net, MA Net2, sACN, Kling-Net
  • Wireless CRMX™ technology from Lumen Radio: On request
  • DMX Protocol modes: 6
  • Control channels: 32, 52, 93, 111, 106, 124
  • RGBW / CMY: 8 or 16 bit
  • Zoom: 8 or 16 bit
  • Dimmer: 8 or 16 bit (internal 18 bit)


  • Tilt movement: 210°
  • 16 bit movement resolution
  • Controllable speed of Pan/Tilt movement


  • Maximum ambient temperature: 45°C (113°F)
  • Maximum surface temperature: 75°C (167°F)
  • Minimum operating temperature: -5°C (23°F)


  • Power supply: Electronic auto-ranging
  • Input voltage range: 100-240 V, 50/60 Hz
  • Power consumption: 600 W at 230 V / 50 Hz
  • Power in/out connector: Neutrik powerCON TRUE1 in/out
  • DMX and RDM data in/out: Locking 5-pin XLR
  • Ethernet port in/out: RJ45
  • Embedded Ethernet switch 10/100 Mbps


  • Height: 266 mm (10.5″)
  • Width: 1004 mm (39.5″)
  • Depth: 165 mm (6.5″)
  • Weight: 16.5 kg (36.4 lbs)


  • Mounting points: 2 pairs of 1/4-turn locking points
  • 2x Omega adaptors with 1/4-turn quick locks
  • Universal operating position
  • Safety cable attachment point


  • User Manual
  • Variable Omega Adaptor – 2 pcs
  • Power cord including powerCON TRUE1 In connector


  • Safety wire 35 kg
  • Line cords powerCON TRUE1 In/Out
  • Single Top Loader Case: 10120256
  • Dual Top Loader Case: 10120257


  • Tetra™ is a Trademark of Robe lighting s. r. o.
  • Tetra™ is patented by Robe lighting s. r. o. and protected by one or more pending or issued