JBL 3731 Three-Way Bi-Amplified ScreenArray Cinema Loudspeaker System
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JBL 3731 Three-Way Bi-Amplified ScreenArray Cinema Loudspeaker System

SKU: JBL3731

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JBL 3731 Three-Way Bi-Amplified ScreenArray Cinema Loudspeaker System Specifications

  • Frequency Response (+/- 3 dB)

    40 Hz - 19 kHz

  • Frequency Range (-10dB)

    30 Hz - 20 kHz

  • Sensitivity

    103dB at 2.83V

  • Maximum SPL (1m)

    125 dB at 1m (3.3 ft), 131 dB peak

  • System Input Power Rating

    LF: 600 watts, M/HF: 150 watts [HF: 85 watts]

  • Horizontal Coverage Angle (-6dB)

    90 degrees

  • Vertical Coverage Angle (-6dB)

    20 degrees up, 30 degrees down

  • Directivity Factor (Q)

    10

  • Directivity Index (DI)

    10 dB

  • Crossover Frequencies

    350 Hz [1.2 kHz]

  • Dimensions (HxWxD)

    1600 mm x 762 mm x 450 mm (63 in x 30 in x 17.75 in)

  • Net Weight (each)

    114 lbs (51.8 kg)

  • Shipping Weight

    64.0 kg (141 lbs)

  • Nominal Impedance

    8 ohms

  • Power Handling (2Hr AES Rating)

    600W

About JBL 3731 Three-Way Bi-Amplified ScreenArray Cinema Loudspeaker System

The JBL 3731 next generation ScreenArray features true three-way design enhanced by advanced engineering. JBL's latest technical innovations are integrated into a system design that provides superior coverage, maximum power handling and uniform acoustic power output, along with extremely low distortion. The ScreenArray design provides ideal power response and directivity control with seamless transitions between acoustic sections.

JBL 3731 Three-Way Bi-Amplified ScreenArray Cinema Loudspeaker System Features

  • Three-way Screen Array design for maximum output, optimal coverage, and minimum distortion
  • One 380 mm (15") Vented Gap Cooled (VGC) LF Transducer
  • Triamplified (T) or Biamplified operation
  • Approved for THX certified applications (3731T)
  • M/HF ships fully assembled
  • Second Generation Optimized Aperture Waveguide technology for ultra-low distortion, and extremely uniform frequency response
  • SSCTM Screen Spreading Compensation
  • Focused Coverage Technology
  • Flat-front waveguide design for easy baffle wall installation
  • Shallow depth for minimum behind screen requirements
  • Low profile design with 600W LF

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Key Features

  • Three-way Screen Array design
  • One 380 mm (15") Vented Gap Cooled (VGC) LF Transducer
  • Triamplified (T) or Biamplified operation
  • Approved for THX certified applications
  • Second Generation Optimized Aperture Waveguide technology
  • SSCTM Screen Spreading Compensation

What's in the box:

  • JBL 3731 Three-Way Bi-Amplified ScreenArray Cinema Loudspeaker System
  • JBL 5 Year Limited Warranty