CBT 70JE-1

The JBL CBT 70JE-1 is an extension for the CBT 70J-1 line array column speaker to extend bass response, pattern control, and sound output.

From the Manufacturer:

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.

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° control, to 200 Hz for substantial off-axis cancellation)
• Extended bass response to 45 Hz.
• Components: Sixteen 25 mm (1 in) soft dome tweeters and eight 125 mm (5 in) high-power LF drivers.
• Patent-pending Constant Beamwidth Technology™ provides constant directivity up to the highest frequencies and reduces out-of-coverage lobing.
• Vertical pattern coverage switchable between 45° for medium-throw coverage and 25° for long-throw applications.
• Switchable voicing provides flat response in music mode or mid-range presence peak in speech mode.
• Coupler plate and wall swivel (pan)/tilt bracket included (rear insert-point pattern fits standard third-party brackets)

Specifications:

• Drivers: Eight (8) 130 mm (5 in) LF drivers Sixteen (16) 25 mm (1 in) HF drivers
• Frequency Range (-10dB): 45 Hz – 20 kHz
• Coverage Angle: Vertical: Switchable, Narrow Mode: 25° (±10°), Broad Mode: 45° (±10°), Horizontal: 150° (±20°)
• Sensitivity: 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)
• Impedance: 4 ohms
• Power Rating: 1000 W (4000 W peak), 2 hrs 700 W (2800 W peak), 100 hrs
• Maximum SPL (1m): 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 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-55 rated, per IEC529, when installed with optional MTC-PC2 panel cover. UV, moisture and 200-hr ASTM G85 acid-air/salt-spray resistant.
• Color: Black or white (-WH)
• Insert Points: 20 insert points total, 8 utilized for coupler plate, M6 (16 mm deep) on back panel
• Mounting: Coupler plate joins the CBT70J-1 and 70JE-1 end-to-end. Threaded points on coupler plate accepts OmniMount™ 60.0 Series and 120.0 Series compatible wall-mount brackets, as well as points for the swivel (pan)/tilt wall bracket that is included with CBT 70J-1. Twelve (12) additional M6 mounting points accept forged shoulder steel eyebolts or swivel clips for suspension.
• Dimensions (H x W x D): 1388 x 170 x 237 mm(54.8 x 6.7 x 9.3 in)
• Net Weight: 20.4 kg (45 lb)
• 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 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)