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JBL CBT 1000 (B-Stock) Constant Beamwidth Technology ™ Adjustable Coverage Line Array Column

Model # CBT1000Z

Available in 2 Color(s)

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The CBT 1000 represents the next-generation in pattern control, expanding upon JBL's highly successful CBT Constant Beamwidth Technology™ products. Utilizing patented complex analog beam-forming, the CBT 1000 provides superior and consistent vertical coverage without the narrow vertical beaming and out-of-coverage lobing that are typical of straight form-factor column speakers. The CBT 1000 combines Constant Beamwidth Technology with adjustable vertical coverage and a tapered horizontal waveguide to increase the versatility of aiming the coverage of the loudspeaker to more accurately map to the room geometry in a wide variety of listening spaces. The asymmetrical coverage settings produce a higher concentration of sound with a tighter pattern from the upper half of the array, and a lower concentration of sound with a broader vertical pattern from the lower half of the array. This sends more sound toward the far area of the room than to the near area of the room, resulting in more even front-to-back SPL levels than would be the case from a traditional speaker or column that projects symmetrically in the vertical plane. Additionally, the vertical coverage pattern is individually installer adjustable though a range of four "Pattern Up" coverage angles and four "Pattern Down" coverage angles for a total of sixteen different coverage combinations, all without the use of any external DSP processing. The new patent-pending Tapered Horizontal Waveguide design provides a continuously varying horizontal dispersion by providing a very wide angle of dispersion for the short-throw distances while also providing a narrower horizontal angle of dispersion for the long-throw distances, providing superior coverage in both the front and rear corners of a room. The consistent pattern control allows the CBT 1000 to work well in difficult acoustic environments. The two-way coaxial design provides a wide 45 Hz - 20 kHz bandwidth. The low-diffraction baffle eliminates frequency response irregularities that could otherwise occur due to baffle discontinuities. The thick, heavy-duty aluminum grille allows for rust-free installation outdoors. At 102 cm (40.2 in) tall and only 25 cm (9.9 in) wide, the design fits well with virtually any architectural décor.

Features:

  • Adjustable vertical pattern coverage
  • Asymmetrical vertical settings
  • Very high sound levels
  • Constant Beamwidth Technology™
  • Patent-pending Tapered Horizontal Waveguide
  • Switchable voicing
General Specifications
Components Six (6) 165 mm (6.5 in) LF drivers ; Twenty-four (24) 25 mm (1 in) HF drivers
Frequency Range (-10 DB) 45 Hz - 20 kHz
Sensitivity (2.83V@ 1m) 102 dB (at highest sensitivity setting - "Point" pattern up, "Point" pattern down, "Speech" voicing, in free space) ; 95 dB (at lowest sensitivity setting - "Medium" pattern up, "Downfill" pattern down, "Music" voicing in free space)
Nominal Impedance 4 ohms (4 ohms above 1 kHz; 8 ohms below 800 Hz)
Power Capacity 1500 W (6000 W peak), 2 hrs; 1000 W (4000 W peak), 100 hrs
Maximum Input Voltage 65.0 Volts RMS (2 hrs), 130.0 Volts Peak
Max SPL highest directivity setting ("Point" pattern up, "Point" pattern down) with "Speech" voicing 131 dB continuous average pink noise, 134 dB continuous program, 137 dB Peak
Max SPL highest directivity setting ("Point" pattern up, "Point" pattern down) with "Music" voicing 127 dB continuous average pink noise, 130 dB continuous program, 133 dB peak
Max SPL lowest directivity setting ("Medium" pattern up, "Downfill" pattern down) with "Speech" voicing 128 dB continuous average pink noise, 131 dB continuous program, 134 dB peak
Max SPL lowest directivity setting ("Medium" pattern up, "Downfill" pattern down) with "Music" voicing 124 dB continuous average pink noise, 127 dB continuous program, 130 dB peak
Vertical Coverage Settings Coverage is effective (frequency response similar) beyond the traditional -6 dB coverage angles. This is especially useful in compensating for differences in listening distances. Figures show both the -6 dB and -12 dB coverage angles (at 3 kHz). Angles are in reference to cabinet aiming axis. Pattern UP Settings - "Point" -6dB @ +7°, -12 dB @ +12° ; "Tight" -6dB @ +9°, -12 dB @ +15° ; "Narrow" -6dB @ +10°, -12 dB @ +20° ; "Medium" -6dB @ +13°, -12 dB @ +24° Pattern DOWN Settings ; "Point" -6dB @ -7°, -12 dB @ -12° ; "Narrow" -6dB @ -10°, -12 dB @ -20° ; "Broad" -6dB @ -17°, -12 dB @ -28° ; "Downfill" -6dB @ -20°, -12 dB @ -35°
Horizontal Coverage -pending Tapered Horizontal Waveguide continuously variable. Long-throw (top) section - 100° ; Middle section - 130° ; Short-throw (bottom) section - 160°
Recommended High-Pass 35Hz, 24 dB/oct or greater
Low Frequency Drivers 6 pcs, 165 mm (6.5 in) drivers, lightweight neodymium motors, 50 mm (2.0 in) diameter voice coils, copper-capped pole tips to minimize flux modulation and linearize inductance, 16 mm (0.63 in) long coil for high linear drive and high power handling, damped blended textile surround, coated cones for moisture, UV and salt resistance. Magnetically shielded.
High Frequency Drivers 24 pcs, 25 mm (1 in) drivers, neodymium, encased magnet and coated diaphragm for moisture, UV, and salt resistance.
Outdoor Capability IP-55 rated, per IEC529, when installed with optional MTC-PC2 cover. ASTM G85 for acid-air/salt-spray (200 hrs.).
Insert Points 14 individual M8 inserts on back panel (20 mm deep) for use with swivel (pan)/tilt bracket(s), forged-shoulder steel eyebolts, swivel rings, and after-market third-party brackets, plus 4 individual M8 inserts on top and 4 on bottom of cabinet end-caps.
Mounting Included two-part swivel (pan)/tilt wall bracket provides continuously variable +/- 45 degree left-right swivel aiming (at no up/down tilt - see Bracket Guide for maximum swivel range at various up/down tilt angles), +/- 15 degree tilt in 1 degree fixed increment points. Fourteen (14) threaded mounting points located on back panel of cabinet conform to industry standard rectangular 127 x 70 mm (5.0 x 2.75 in) pattern for legacy OmniMount® and other compatible third-party brackets. Four (4) threaded mount points on the top end-cap and four (4) on the bottom end-cap. Threaded mounting points can be utilized for suspension. (Always use multiple mounting points.)
Included Accessories Two-piece swivel (pan)/tilt wall bracket
Optional Accessories MTC-PC2 terminal panel cover MTC-CBT1K-ACC1 Accessory kit includes 2 pcs MTC-CBT-FM3 flush-mount brackets 1 pc MTC-CBT-OS3 offset bracket (for CBT 1000+1000E array - works in conjunction with CBT 1000E's included Coupler Plate for locating CBT 1000E extension cabinet above CBT 1000 instead of below it) MTC-CBT-SUS3 CBT Series suspension bracket kit (2 pcs included to provide top and bottom attachment points)
Dimensions
Height 1020 mm (40.2 in)
Width 250 mm (9.9 in)
Depth 345 mm (13.6 in)
Net Weight (cabinet) 24.5 kg (54 lbs)
Shipping Weight 38.6 kg (85 lbs)
Box Contents
What's in the box?
  • 1 x CBT 1000
  • 1 x Two-piece swivel (pan) / tilt wall bracket

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