Everything in Music - Since 1958



JBL CBT 70J-1-WH Constant Beamwidth Technology Two-Way Line Array Column Speaker - White


  • Our Price
  • $1,099.00
  • Regular price MSRP: $1,375.00

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Accomplish superior, consistent vertical coverage with a JBL CBT 70J-1-WH Speaker

The JBL CBT 70J-1-WH Speaker, with Constant Beamwidth Technology, represents a breakthrough in pattern control consistency, utilizing complex analog delay beam-forming and amplitude tapering to accomplish superior, consistent vertical coverage without the narrow vertical beaming and out-of-coverage lobing that are typical of straight form-factor column speakers.



  • Four 130 mm (5 in) LF drivers 
  • Sixteen 25 mm (1 in) HF drivers
  • Frequency Range (-10 dB) 60 Hz – 20 kHz
  • Coverage Vertical (selectable via switch) 
  • Coverage Narrow Mode: 25° (2 kHz - 16 kHz) (±10°) 
  • Coverage Broad Mode: 45° (750 Hz - 16 kHz) (±10°) 
  • Coverage Horizontal 150° (500 Hz – 8 kHz, ±20°)
  • Sensitivity (2.83V@ 1m) Narrow: (speech mode) 98 dB (1 kHz - 8 kHz) 
  • Sensitivity (music mode) 93 dB (300 Hz - 18 kHz) 
  • Sensitivity Broad: (speech mode) 96 dB (1 kHz - 8 kHz) 
  • Sensitivity (music mode) 92 dB (300 Hz - 18 kHz)
  • Nominal Impedance 8 ohms
  • Power Capacity 500 W (2000 W peak), 2 hrs 
  • Power Capacity 350 W (1400 W peak), 100 hrs
  • Max SPL Narrow: (speech mode) 125 dB cont ave (131 peak) 
  • Max SPL (music mode) 120 dB cont ave (126 peak) 
  • Max SPL Broad: (speech mode) 123 dB cont ave (129 peak) 
  • Max SPL (music mode) 119 dB cont ave (125 peak) 
  • Low Frequency Drivers 4 pcs, 130 mm (5 in) drivers, dual magnet neodymium, 38 mm (1.5 in) voice coil, damped blended textile surround, coated diaphragm for moisture, UV, and salt resistance, shielded.
  • High Frequency Drivers 16 pcs, 25 mm (1 in) drivers, dual magnet neodymium, encased magnet and coated diaphragm for moisture, UV and salt resistance, shielded.
  • Enclosure Fiberglass reinforced ABS cabinet, painted aluminum grille
  • Outdoor Capability IP-54 rated, per IEC529. UV, moisture and salt-spray resistant.


Manufacturer: JBL Professional
Model: CBT 70J-1-WH
Warranty: See manufacturer website for details
SKU: I271731-N-0-B
UPC: 050036904223

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