Arri L7-DT 7" Daylight LED Fresnel with Active Cooling (Silver/Blue, Hanging)

Arri L7-DT 7" Daylight LED Fresnel with Active Cooling (Silver/Blue, Hanging)

Arri L7-DT 7" Daylight LED Fresnel with Active Cooling (Silver/Blue, Hanging)

B&H # ARL7TDAHSB MFR # L1.31530DC
Arri L7-DT 7" Daylight LED Fresnel with Active Cooling (Silver/Blue, Hanging)

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Product Highlights

  • 15 to 50° Spot to Flood Adjustment
  • Color Tunable from 5,000 - 6,500K
  • Sliding Stirrup
  • DMX and On-Board Control
  • Upgradeable Via USB
  • Long Life LEDs
  • Low 180W Electrical Draw
  • 90-250 VAC, 50/60 Hz
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  • 1Description

ARRI continues to refine its L-Series with the L7-DT 7" Daylight LED Fresnel with Active Cooling. The key characteristic of any Fresnel is flood to spot capability and the L7-DT offers an impressive beam angle adjustment of 15-50°.

The L7-DT is a tunable daylight source, allowing you to match ambient light and existing fixtures with color temperatures from 5,000K to 6,500K. The on-board controller allows dimming from 100-0% and full minus green to plus green adjustment enabling matching of specific shades. All functions can be controlled via DMX, an ideal feature for broadcast studios, while RDM permits monitoring of the light's status. This version of the L7 has Active Fan Cooling, allowing a reduction in weight and size. The fan remains on during use.

The fixture produces the equivalent of a 1,000W tungsten light while drawing only 180W for a savings of up to 75% over traditional fixtures. And low draw and heat means lower HVAC costs in the studio and a quick return on investment. You can run about ten L7-DTs from a 20A, 120V outlet as opposed to two 1,000W tungsten fixtures. The L7-DT has a 90 - 250 VAC on-board power supply for worldwide use. This version of the L7-DT is a hanging model with a silver/blue finish.

Variable Beam Angle: 15 to 50 Degree
A key element of the versatility of traditional Fresnels is the ability to spot and flood the beam as needed. Whether it's a flood field for a pullback shot or a tight spot for a bright highlight, the continuous focusability of the L-Series performs lives up to your expectations. And, unlike traditional Fresnels, which have significant light waste in spot focus, the efficient L-Series optical system maintains the same field lumens in all focus positions.
True Fresnel Lens Light Characteristics
Whether shaping the beam to isolate talent and set elements or cutting the field to eliminate spill light, controllability is crucial to lighting. L-Series Fresnels provide the same ability to cut and shape with barndoors and flags that we have come to expect from conventional Fresnels.
Even Light Field
Clear, defined shadows traditionally have been solely a trait of single source tungsten and daylight fixtures. ARRI L-Series Fresnels provide the same single shadow properties lighting designers expect, delivering natural results.
Tunable Color
With the L7-DT, white light can be adjusted from 5,500 - 6,500K to match the ambient light, other fixtures or specific color shades.
Active Cooling
The light is cooled by a fan allowing ARRI to reduce the weight and size. The fan remains on during use.
Focus Knobs
True Blue-style focus knobs provide the precise adjustment and rapid flood-to-spot that users enjoy from manual, mechanical control. Knobs on both sides of the fixture ensure easy access from all positions, eliminating the need for awkward reaching around the fixture. Full flood-to-spot can be achieved in only three turns.
Sliding Stirrups
The ARRI sliding stirrup design enables precise adjustment of the fixture's center of gravity, to compensate for front-end accessories. It also gives the option of pulling the fixture back and reducing its hanging height.
Tilt Lock
The strong tilt lock provides extremely secure locking, eliminating movement and slippage and ensuring that the fixtures will stay where you put them.
DMX Control
For broadcast studios, remote fixture control is of paramount importance, and all functions of the L7-DT are controllable through DMX. The L7-DT is also RDM compatible, providing bi-directional feedback and reporting of system status, hours on the light engine, calibration data from the internal color sensor and current DMX address with the ability to remotely assign and address all fixtures in a DMX network.
On-board Control
The on-board controller has manual intensity adjustment and additional controls for color temperature as well as plus/minus green to adjust the hue at the touch of a button.
Energy Savings
L-Series fixtures reduce electricity usage by 75% and their LED light engines last 200 times longer than normal bulbs, when compared to conventional tungsten Fresnels. These and other cost-saving attributes will combine to affect a rapid return on your investment.
Location Applications
Lighting teams working on location will love the versatility the L7-DT achieves with its reduced form factor. Several ARRI L7-DT Fresnels can be run off a single 20A, 120V outlet, as opposed to only two 1,000W tungsten Fresnels.
Upgradeable Technology
The L7-DT is an expansible platform designed to accept the latest enhancements in LED chip performance. The firmware is upgradeable through the USB port on the rear of each unit, accommodating future control protocols such as ACN.
Photometrics
At 5,600K, 50°
1,031 lux/96 fc at 9.8' (3.0 m)
371 lux/34 fc at 16.4' (5.0 m)
189 lux/18 fc at 23' (7.0 m)
115 lux/11 fc at 29.5' (9.0 m)
At 5,600K, 30°
2,444 lux/227 fc at 9.8' (3.0 m)
880 lux/82 fc at 16.4' (5.0 m)
449 lux/42 fc at 23' (7.0 m)
272 lux/25 fc at 29.5' (9.0 m)
At 5,600K, 15°
8,522 lux/792 fc at 9.8' (3.0 m)
3,068 lux/285 fc at 16.4' (5.0 m)
1,565 lux/145 fc at 23' (7.0 m)
947 lux/88 fc at 29.5' (9.0 m)
In the Box
Arri L7-DT 7" Daylight LED Fresnel with Active Cooling (Silver/Blue, Hanging)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Light Source LED
    Type 6.88" (175 mm) Fresnel
    Beam Angle 15 - 50° (Half peak angle)
    Rating 1,000 W
    Power Consumption 180 V Nominal, 220 W maximum
    Color Range 5,000K - 6,500K Continuously variable correlated color temperature
    Full minus green to full plus green adjustment

    Tolerance: +/- 100K (nominal), +/- 1/8 Green-Magenta (nominal)
    Estimated lifetime color shift: < 200K
    Lamp Life 50,000 hours
    CRI 92
    Dimming Range 100 - 0%
    Operating Voltage 90-250 VAC, 50/60 Hz
    IP Rating IP20
    Cooling Active, fan stays on while in use
    Operating Temperature -4 to 113°F (-20 to +45°C)
    Control 5-Pin DMX in and through, on-board controller
    Mini-USB: DMX setup, fixture status and firmware upgrade through PC software
    Remote Device Management (RDM): DMX setup, hour counter and standard RDM commands
    Power Connections Bare ends
    Tilt +/- 90°
    Mount Hanging mount with 1 1/8" (28 mm) Junior pin
    Certification and Compliance CE, GS, FCC, cNRTL, CB, ISO9001:2000
    Finish Silver/Blue
    Dimensions Full flood position w/ yoke w/o Junior pin: 16.6 x 14.7 x 13.7" (423 x 374 x 349 mm)
    Full spot position w / yoke, w/o Junior pin: 16.6 x 14.7 x 17.8" (423 x 374 x 454 mm)
    Lens diameter: 6.88" (175 mm)
    Accessory size: 7.7" (196 mm)
    Weight 18 lb (8.2 kg)

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