اسپیکر ستونی جی بی ال (JBL) مدل CBT 50LA-1

باند ستونی جی بی ال (JBL)

اسپیکر ستونی جی بی ال (JBL) مدل CBT 50LA-1

CBT 50LA-1
Constant Beamwidth Technology™ Line Array Column Loudspeaker with Eight 50 mm (2 in) Drivers. With improved mounting bracket for enhanced aiming flexibility.
The CBT 50LA-1, with Constant Beamwidth Technology™, represents a breakthrough in pattern control, utilizing analog delay beam-forming and amplitude tapering to accomplish consistent vertical coverage without the narrow vertical beaming and out-of-coverage lobing that are typical of straight form-factor passive column speakers.
 

FEATURES
  • Patent-pending Constant Beamwidth Technology™ provides constant directivity up to the highest frequencies and reduces out-of-coverage lobing.
  • Switchable voicing provides flat response in music mode or mid-range presence peak in speech mode.
  • Dynamic SonicGuard™ overload protection
  • Built-in 70V/100V transformer, plus 8 ohm direct capability.
  • Swivel (pan) / tilt wall bracket includ

باند ستونی جی بی ال (JBL)

باند ستونی جی بی ال (JBL)

SPECIFICATIONS
 
  Components Eight 50 mm
(2 in) Full-Range
  Frequency Range (-10 dB) ۸۰ Hz – ۲۰ kHz
  Coverage Pattern Vertical 20° (۱٫۵ kHz – 16 kHz, ±۱۰°)
Horizontal 150° (ave, 1 kHz – ۴ kHz, ±۲۰°)
  Sensitivity (2.83V@ 1m) ۹۳ dB (speech mode, 2 kHz – 14 kHz)
89 dB (music mode, 300 Hz – 18 kHz)
  Nominal Impedance ۸ ohms
  Power Capacity
(8 ohm setting)
۱۵۰W (600W peak), 2 hrs
100 W (400W peak), 100 hrs
  Max SPL Speech mode: 115 dB cont ave (121 peak)
Music mode: 111 dB cont ave (117 peak)
  ۷۰V/100V Transformer Taps ۶۰W, 30W, 15W, (7.5W at 70V only), and 8Ω thru, via switch
  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.
  Colors Black or White (-WH)
  Insert Points Ten M6 insert points on back panel.
  Mounting Included swivel (pan) / tilt wall bracket provides continuously variable +/-80 degree left-right swivel aiming (at no up/down tilt — see Bracket Guide for maximum swivel range at various up/down tilt angles), continuously adjustable ±۱۵ degree tilt, as well as 5 degree fixed increment points within the range. Ten threaded mounting points located on back panel conform to industry standard rectangular 108 x 51 mm (4.25 x 2.0 in) pattern for OmniMount® ۳۰٫۰ and other compatible third-party brackets. Threaded mounting points can be utilized for suspension.
  Dimensions (H x W x D) ۵۲۸ x 99 x 153 mm
(20.8 x 3.9 x 6.0 in)
  Net Weight ۴٫۱ kg (9.0 lb)
  Included Accessories Swivel (pan) / tilt wall bracket
  Optional Accessories MTC-PC2 terminal panel cover
MTC-CBT-FM1 flush-mount low-profile wall-mount bracket
MTC-CBT-SMB1 Stand-Mount Bracket for use with 35 mm speaker stand

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