JBL CBT 70JE-1 Column Array Extension Speaker

The JBL CBT 70JE-1 cabinet contains four low frequency drivers and a crossover network purposely designed for use in the CBT 70J-1 + 70JE-1 System, in a tough fiberglass-reinforced ABS enclosure. The 500W power handling and high sensitivity delivers powerful low frequency output. The drivers have lightweight dual magnet neodymium motors with 38 mm (1.5 in) diameter voice coils. The dual-magnet system provides maximum flux in a compact package. The magnet structure is magnetically shielded and the pole tips are magnetically saturated for lower flux modulation and minimum distortion. The 16 mm (0.63 in) long coils provides high linear drive and high power handling in a compact driver. The drivers feature damped blended surrounds and coated sealed paper cones found in high performance large format drivers. Drivers feature coated diaphragm materials to provide moisture, UV and salt resistance for outdoor capability. The thick, heavy-duty aluminum grille stands up to portable/event applications while allowing for rust-free installation outdoors.

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.

The CBT 70JE-1 attaches to the top of the CBT 70J-1, utilizing the included coupler plate, resulting in a very well controlled progressive line array with asymmetrical vertical coverage. This coverage produces a higher concentration of sound with a tighter pattern projecting to the far areas of the listening space, and a lower concentration with a broader vertical pattern projecting toward the near area of the space. This results in more even front-to-back SPLlevels than would be the case from a traditional speaker or column that projects symmetrically.

JBL CBT 70JE-1 Specifications:

• Components
  • Eight (8) 130 mm (5") LF drivers
  • Sixteen (16) 25 mm (1") HF drivers
  • Frequency Range: (-10 db) 45 Hz – 20 kHz
• Coverage:
  • Vertical (selectable via switch)
  • Narrow Mode: 25° (2 kHz – 16 kHz) (±10°)
  • Broad Mode: 45° (350 Hz – 16 kHz) (±10°)
  • Horizontal 150° (500 Hz – 18 kHz, ±20°)
• Sensitivity (@1m)
  • Narrow: (speech mode) 98 dB @ 2.83V, 95 dB @ 2.0V (150 Hz – 8 kHz)
  • (music mode) 94 dB @ 2.83V, 91 dB @ 2.0V (80 Hz – 18 kHz)
  • Broad: (speech mode) 97 dB @ 2.83V, 94 dB @ 2.0V (100 – 8 kHz)
  • (music mode) 93 dB @ 2.83V, 90 dB @ 2.0V (70 Hz – 18 kHz)
  • Nominal Impedance: 4 ohms
• Power Capacity
  • 1000 W (4000 W peak), 2 hrs
  • 700 W (2800 W peak), 100 hrs
• Max SPL
  • Narrow: (speech mode) 125 dB cont ave (131 peak)
  • (music mode) 121 dB cont ave (127 peak)
  • Broad: (speech mode) 124 dB cont ave (130 peak)
  • (music mode) 120 dB cont ave (126 peak)
• Low Frequency Drivers
  • 8 pcs, 130 mm (5") drivers, dual magnet neodymium, 38 mm (1.5") 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 magnetneodymium, encased magnet and coated diaphragm for moisture, UV and saltresistance, shielded.
• Enclosure: Fiberglass-reinforced ABS cabinet, painted aluminumgrille.
• Outdoor Capability: IP-55 rated, per IEC529, when installed withoptional MTC-PC2 panel cover. UV, moisture and 200-hr ASTM G85acid-air/salt-spray resistant.
• Colors: Black or white (-WH)
• Insert Points: 20 insert points total, 8 utilized for coupler plate, M6(16mm deep) on back panel
• Mounting: Coupler plate joins the CBT70J-1 and 70JE-1end-to-end.Threaded points on coupler plate accepts OmniMount™ 60.0 Series and120.0 Series compatible wall-mount brackets, as well as points for theswivel(pan)/tilt wall bracket that is included with CBT 70J-1. Twelve (12)additional M6 mounting points accept forged shoulder steel eyebolts orswivelclips for suspension.
• Dimensions (HxWxD): 54.8" x 6.7" x 9.3" (1388 x 170 x 237 mm)
• Net Weight: 45 lbs (20.4 kg)
• Included Accessories:
  • Coupler plate (included with 70JE-1)
  • Swivel (pan) / tilt wall bracket (included with 70J-1)
• 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") 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: 18 lbs (8.2 kg)