JBL CBT 70JE-1 Purpose-Designed Extension for CBT 70J-1 Line Array Column Speaker - Each (Black)

Model: NCBT70JE-1 UPC: 09091392 Item: 164360

Product Information

CBT 70JE-1 Purpose-Designed Extension for CBT 70J-1 Line Array Column Speaker*

When connected to a CBT 70J-1 line array column speaker, the CBT 70JE-1 Extension provides extended bass response, extended pattern control, and increased sound output levels. The combined array system provides Constant Beamwidth Technology, which represents a breakthrough in pattern control consistency, utilizing complex analog beamforming and amplitude tapering to accomplish superior, consistent vertical coverage without the narrow vertical beaming and out-of-coverage lobing that are typical of passive column speakers.


CBT 70JE-1 Features:

  • Components: Four 125 mm (5 in) high-power LF drivers (70JE-1)
  • 500 Watt power handling (70JE-1)
  • Built-in purpose-designed crossover network, for combining with CBT 70J-1 (70JE-1)
  • Coupler plate included (70JE-1)
  • Extended pattern control (to 400 Hz for +/ 20-degree control, to 200 Hz for substantial off-axis cancellation)
  • Extended bass response to 45 Hz.
  • Coupler plate and wall swivel (pan)/tilt bracket included (rear insert-point pattern fits standard third-party brackets)


CBT 70JE-1 Specifications:

  • Optional Accessories:
    • MTC-PC2 terminal panel cover
    • MTC-CBT-SMB1 Stand-Mount Bracket for use with 35 mm heavy duty speaker stand (must be heavy-duty stand for stability with this array)
    • MTC-CBT-FM2 flush-mount low-profile wall-mount bracket
  • Components - 70JE-1: Four (4) 130 mm (5 in) LF drivers
  • Frequency Range (-10 dB) - 70JE-1: 45 Hz – 700 Hz
  • Sensitivity (2.83V @ 1m) - 70JE-1: 90 dB full space, 96 dB half-space (65 Hz - 300 Hz)
  • Nominal Impedance - 70JE-1: 8 ohms
  • Power Capacity - 70JE-1:
    • 500 W (2000 W peak), 2 hrs
    • 350 W (1400 W peak), 100 hrs
  • Max SPL - 70JE-1: 117 dB
  • Net Weight - 70JE-1: 8.2 kg (18 lb)


*CBT 70J-1 Speaker sold separately


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