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Orphek PR-156B LED Light Fixture

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Orphek PR-156B LED Light Fixture
LED Aquarium Lights
Price: $849.99
Code: ORPH-PR-156XP

Degree Lens:

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With Dimming Model Purchase:
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To get more familiar with this quality professional grade Orphek PR-156B LED Light Fixture.

↓See detailed description below.↓
  Description   Reviews  

Orphek is proud to announce the new and improved line of Power Reef (PR156) LED Pendants which are available in two different models. The PR156 XP includes four high range UV and four of our new wide spectrum red LEDs for improved color and fluorescence of your corals. One model includes improved industrial grade timers and both models use our newly developed white LEDs which gives a blue look without the need of excessive power-wasting blue LEDs. We have also replaced the LED driver with Mean Well high efficiency LED drivers which feature voltage and current compensation to within 0.5% and over current protection. The LED housing remains the same for all models as well as your choice of a white or black housing. We have also replaced the cooling fans with improved models featuring lower noise and increased efficiency. All models feature a total of 60, two watt LEDs that are under driven to further increase LED life. All hardware used is of high grade stainless steel and will not rust. A suspension kit is included with each unit.

PR-156 XP

The PR156 XP replaces the PR156 Plus and is now our flagship fixture which was exclusively developed for deep reef aquariums which presently use 250-400 watt energy wasting metal halide or HQI lamps. The new PR156 XP offers an improvement in the PUR spectrum as well as peaks in both the Chlorophyll A and B range which greatly improves photosynthesis of the Zooxanthellae living within the coral’s tissue. Without this, coral growth is noticeably slower. Zooxanthellae provide 90% of the coral’s food source. Two timers and two Mean Well drivers are included. Channel one has control over the 56 white and blue LEDs and channel two will control the four moonlight LEDs. The PR156 XP cannot be dimmed.


Many of today’s aquarists are using high-tech controllers to measure water parameters, control heating, regulate wave-making pumps and provide lighting control. These controllers use a digital serial interface or EVG with a data rate of 1200 baud. Most controllers will have one start bit, eight data bits (dimming value) and four stop bits. More sophisticated models can have up to 32 data bits. Orphek has answered the call from aquarists by designing our own EVG interface board which can be used with the popular Apex, Digital Aquatic’s Reefkeeper, and GHL Profilux controllers. Our EVG interface board is superior to most interface boards available for this purpose and guarantees proper operation of the PR156 XP+DIM with your controller. Moonlight effect can be achieved by dimming the blue channel.

NOTE IF ORDERING DIMMING STYLE: Because this model was designed to work with the above mentioned controllers, no dimming control or timers are included. When ordering this model, please specify the model of controller you are using and the correct plugs will be installed on the interface cable.

  • Designed specifically for the needs of photosynthetic marine invertebrates.
  • Easily replaces energy wasting 250-400 watt metal halide or HQI lamps.
  • Optional clear 90 or HONEY COMB 120 degree lenses (PR156 XP+W model) and is recommended in most applications.
  • Advanced optical technology to reduce water surface refraction and reflection.
  • The spectrum of our Power Reef LEDs helps to control nuisance algae.
  • Plug and play technology allows replacement of components very easily with no stress or damage to the unit.
  • Two industrial grade timers are included with all models except the PR156 XP+DIM. The timers offer 16 different programs to simulate sunrise and sunset.
  • Customizable to your needs.
  • Sleek modern design is offered in a black or white housing.
  • Manufactured to exceed a 10-year lifespan with negligible luminous decay over that time period. Reduces up to 50% of energy consumption.
  • Low noise fans run at 2000 rpm with a -20db A-weighting noise level.
  • Environmentally friendly.
  • Highest PAR per watt available.

LED Housing
  • Length: 24.05" (611mm)
  • Width: 6.33" (161mm)
  • Height: 2.16" (51mm)
  • Weight: 4.58 lbs (4.6 kg)
Timer and Driver Box
  • Length: 12.59" (320 mm)
  • Width: 6.88" (175 mm)
  • Height: 2.99" (76 mm)
  • Weight: 4.58 lbs (2.08 kg)
  • Interface cable: 118" (3 m)
  • Power cable: 70.86 (1.8 m)
  • Extension cables available at an additional cost
Suspension Kit
  • 2 steel cables: 9.84" (250 mm)
  • 1 steel cable: 70.86" (1.8 m)
  • Input voltage: AC – 85-120 volts or 200-264 volts
  • Frequency: 50/60 Hz
  • Power consumption: 120 watts
  • Electrical outlet: Region appropriate
  • 60 LEDs per unit
  • Wattage of each LED: 2 watts
  • PR156 XP
  • Lenses
  • PR156 XP : Clear – 90 degrees
  • PR156W XP : HONEY COMB – 120 degrees
LED Make up
PR156 XP
  • 30 – White, 12-16K
  • 18 – 450-460nm blue
  • 4 – Wide spectrum red
  • 4 – High range UV 410-430nm
  • 4 – Blue moonlight – 450-460nm blue
  • 26 –white 12-16K
  • 26 – 450-460nm blue
  • 4 – Wide spectrum red
  • 4 – High range UV 410-430nm

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