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 All ARRI HMI Fixtures Sold In Australia Include, Tested Australian Plugs, CE Approved Wiring

The original Academy Award-winning ARRIMAX remains the ultimate choice for productions requiring maximum light output.


  • 50% brighter than a 12 K PAR
  • 15° to 50° continuous beam angle: standard reflector
  • 8° to 15° beam angle: spot reflector
  • Lens-less design
  • Arc-like shadow quality
  • ARRI eXtreme cooling
  • 18,000W Single Ended (GX51)
  • Easy re-lamping : EZ lamp lock system
  • ARRI Dual Pin Width support (GX51/GX38)


Lamphead Type  Open Face with Facetted Reflector, 18000 W
Reflector Type  MAX reflector made of high purity aluminium
Lamp Type  Metal Halide 18000 W/SE; Metal Halide 12000 W/SE
Power Consumption  18000 W / 12000 W
Voltage Range  225 V / 160 V
Lamp Base  Lamp Base GX51 / GX38
Dimmability  Yes, 50 - 100% via ARRI Ballast Unit
Cable Options  VEAM
Correlated Colour Temperature  ca. 5600 K
Beam Angle  15°- 50° (with 18000 W lamp)
Product Weight  65,0 kg / 143.3 lbs.
Shipping Weight  101,0 kg / 222.7 lbs. (incl. pallet)
Product Size (HxWxL)  1051 x 784 x 942 mm / 41.4" x 30.9" x 37.1"
Shipping Size (HxWxL)  1135 x 1050 x 1170 mm / 44.7" x 41.3" x 46.1"
UV Glass Diameter  630 mm / 24.8"
Accessory Diameter  740 mm / 29.13" (Scrim)
Barndoor Size  740 mm / 29.13"
Mounting  Spigot 28 mm / 1 1/8" (1.1")
Protection Class  I/IP 23
Certifications  CE, CB, GS, cNRTLus


More Info

The 580 mm (22.83”) diameter, parabolic facetted reflector provides continuous focus adjustment from 15° to 50° beam angle and, since the ARRIMAX does not require a set of spread lenses, shadows are sharp and easily cut.

18,000W Single Ended lamps use a sturdier GX51 lamp base for which ARRI engineers have designed a special lampholder. This new lampholder alleviates mechanical stress from the lamp pins, which now serve only as an electrical connection. The lamp clamping mechanism is self-aligning and uses a rugged, recessed lamp lock handle. To ensure that crews can easily use 12,000 W lamps or versions of 18 K Single Ended lamps with G38 bases, the new lampholder accepts either lamp type with no modification or adjustment required.



What In The Box

1x L1.37950.B ARRI ARRIMAX 18/12 Lamphead


ARRI ARRIMAX 18/12 Lamphead & Power Gems Ballast
1x L1.37950.B ARRI ARRIMAX 18/12 Lamphead
1x Power Gems 18000W Electronic Ballast
1x Barndoors
1x Spillring
1x Header Cable