ARRI EB 2.5/4K High Speed Ballast with ALF and DMX, AutoScan, 1000Hz, 120/230V
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ARRI EB 2.5/4K High Speed Ballast with ALF and DMX, AutoScan, 1000Hz, 120/230V

SKU: ARL276655KH
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ARRI High Speed Ballast Specifications

  • L2.76655KH

    EB 2.5/4 HS, ALF, 120/230 V, DMX, CCL, Autoscan 900 to 1,200 Hz

  • Ballast Type

    Electronic ballast
    Electronic High Speed Ballast for 2.500 W and 4.000 W discharge lamps

  • Lamphead Types

    M-Series M40, AS 40, True Blue D 40 and D 25, ARRI Compact 2500 and 4000 Theatre

  • Weight

    ca. 20.5 kg (45.2 lbs)

  • Dimensions

    14" x 9.6" x 17.7" (358 x 243 x 450 mm)

  • Lamp Power

    4.000 W or 2.500 W Discharge Lamps only

  • Line Voltage

    90 - 130 / 190 - 250 V - 50/60 Hz; 1, N, PE (single phase)

  • Line Current

    120 V: 53 - 42 A
    230 V: 30 - 22 A

  • Max. Power

    5430 VA (apparent)

  • Power factor

    cos phi: 0.98 due to Active Line Filter

  • Efficiency

    approx. 0.91

  • Protection Class

    I

  • IP Rating

    IP22

  • Temperature

    50 Degree C (122 Degree F) for max. ambient temperature

  • Active Line Filter (ALF)

    Yes

  • Compensation of cable losses

    Yes, up to 100 m

  • Ignition

    Cold start and hot restrike

  • DMX

    512, In and Out, dimming 100% to 50% output power, switch On/Off

  • DMX Connectors

    DMX In / Out (XLR 5-pol) connector

  • Automatic Lamp Detection

    Indication of detected lamp type with LED (2.5 kW green, 4 kW yellow)

  • Lamp Frequency

    50/60 Hz (Low Noise), 75 Hz (Flicker Free), 900 to 1200 Hz (High Speed)

  • High Speed Modes

    AutoScan: Frequency scan and automatic control and adjustment of lamp frequency
    AutoMan: Manual frequency setting with automatic control and adjustment of lamp frequency
    Manual: Manual frequency setting only, no automatic adjustment

  • Indication

    Display for DMX channel and lamp frequency
    Successful ignition LED LAMP (yellow)
    Overtemperature with LED TEMP (red)
    Line power with LED POWER (green)
    Protective earth with LED PE (green)
    Lamp type with LED (2.5 kW green, 4 kW yellow)

About ARRI High Speed Ballast

ARRI is pleased to introduce a new generation of 1000 Hz High Speed Ballasts that accept the challenge of modern digital high-speed photography with ease.
With the new 1000 Hz High Speed Ballasts it is easy to achieve high quality flicker free images even at frame rates of 1000 fps and in many cases beyond even with a single HMI daylight source. This new technology supplies the lamp with a greatly raised 1000 Hz square wave current, allowing worriless shootings for commercials, sports, industrial applications, automotive component testing, ballistics or material testing.
1000 Hz High Speed ballasts are available for all wattages from 125 W to 18,000 W.

ARRI High Speed Ballast Features

  • High speed operation of 2,500 and 4,000 W daylight lamps
  • Suitable for high frame rate images
  • Automatic control of lamp frequenc
  • Supports 50 and 60 Hz low noise operation
  • Active Line Filter (ALF)
  • Compensation of Cable Losses (CCL)
  • DMX control for dimming and On/Off

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Key Features

  • High speed operation of 2,500 and 4,000 W daylight lamps
  • Suitable for high frame rate images
  • Automatic control of lamp frequenc
  • Supports 50 and 60 Hz low noise operation
  • Active Line Filter (ALF)
  • Compensation of Cable Losses (CCL)