اسپیکر ستونی جی بی ال (JBL) مدل CBT 200LA-1
اسپیکر ستونی جی بی ال (JBL) مدل CBT 200LA-1
CBT 200LA-1
۲۰۰ cm Tall Constant Beamwidth Technology™ Line Array Column Speaker with Thirty-Two 50 mm (2 in) Drivers
The CBT 200LA-1, with Constant Beamwidth Technology™, represents a breakthrough in pattern control consistency and coverage options, utilizing complex analog delay beam-forming and amplitude tapering to accomplish superior, consistent coverage without the inconsistent vertical beaming, uneven coverage, and out-of-coverage lobing that are typical of both powered and nonpowered column speakers.
FEATURES
باند ستونی جی بی ال (JBL)
- Patented Constant Beamwidth Technology™ provides true wide-band constant directivity coverage up to the highest frequencies and reduces out-of-coverage lobing.
- ۲۰۰ cm (6.6 in) height extends pattern control to include lower frequencies.
- Vertical pattern coverage switchable between 30° and 15° for medium or long-throw coverage.
- Asymmetrical Progressive-Gradient vertical coverage setting directs more sound toward the far area of the listening space, making front to back sound levels more consistent. Progressive-Gradient extent is adjustable.
- Narrow width of 98.5 mm (3.8 in) fits visually into a wide variety of applications.
- Dynamic Sonic-Guard™ low-audibility overload protection.
- Swivel (pan)/tilt wall bracket included
- Built-in 70V/100V transformers, plus direct capability.
SPECIFICATIONS
| Components | Thirty-two 50 mm (2 in) Full-Range Drivers | |
| Frequency Range (-10 dB) | ۸۰ Hz – ۲۰ kHz | |
| Frequency Response (±۳ dB) | ۱۳۰ Hz – ۱۸ kHz (narrow coverage, music mode setting) | |
| Coverage – Vertical | Narrow Mode: 15° (۵۰۰ Hz – ۱۶ kHz, +15°/-۲° [<60° down to 220 Hz, <90° down to 140 Hz]) Broad Mode: 30° (۴۰۰ Hz – ۱۲ kHz, +15°/-۸°, [<60° down to 220 Hz, < 90° down to 140 Hz]) Asymmetrical Progressive-Gradient Mode: (Top speaker module set at “Narrow” and bottom speaker module at “Broad”, for “J-type” coverage, sending higher sound levels toward the far area of the listening space): 22.°(+۷° from aiming axis up; -15° from aiming axis down, 300 Hz – ۱۲ kHz, +15°/-۸°, [<60° down to 220 Hz, <90° down to 140 Hz]) |
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| Coverage – Horizontal | ۱۵۰° (ave, 1 kHz – ۴ kHz, ±۲۰°) | |
| Sensitivity – Narrow | (speech mode): 95 dB (2 kHz – ۵ kHz) (music mode): 92 dB (150 Hz – ۱۸ kHz) |
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| Sensitivity – Broad | (speech mode): 93 dB (2 kHz – ۵ kHz) (music mode): 90 dB (150 Hz– ۱۸ kHz) |
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| Sensitivity – Asymmetrical Progressive-Gradient Mode (on-axis) |
(speech mode): 94 dB (2 kHz – ۵ kHz) (music mode): 91 dB (150 Hz – ۱۸ kHz) |
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| Nominal Impedance (direct) | ۸Ω per half (top and bottom) for 4 ohms total (in thru mode). Min-Z for system = 2.9Ω. |
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| Hookup | Ensure identical polarity of hookup – for proper functioning, the two loudspeaker modules (top and bottom) must be hooked up in same polarity. Parallel hookup at the two sets of back panel input terminals is recommended. | |
| Power Capacity (thru setting) | ۶۵۰W (2600W peak), 2 hrs 400W (1600W peak) 100 hrs |
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| Max SPL – Narrow | (speech mode): 123 dB cont ave (129 dB peak) (music mode): 120 dB cont ave (126 dB peak) |
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| Max SPL – Broad | (speech mode): 121 dB cont ave (127 dB peak) (music mode): 118 dB cont ave (124 dB peak) |
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| Max SPL – Asymmetrical Progressive-Gradient Mode (on-axis) |
(speech mode): 122 dB cont ave (128 dB peak) (music mode): 119 dB cont ave (125 dB peak) |
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| ۷۰V/100V Transformer Type | Set individually per speaker module (top and bottom): 120W, 60W, 30W (15W at 70V only), and direct 8Ω, via switch. Total (with top & bottom set to same): 240W, 120W, 60W (30W at 70V only) and direct 4Ω. Max. insertion loss less than 1 dB at any tap. | |
| Enclosure | Fiberglass reinforced ABS cabinet, painted aluminum grille | |
| Connectors | Two (one for top half and one for bottom half), screw-down terminal strip, zinc-plated copper base, nickel plated metal screws/washers. Accepts up to 9 mm outside 4 mm inside open lug (#6, #8 or #10 lug), or bare wire (up to 12 AWC/2.5 mm2) | |
| 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) | |
| Configuration | Two pieces (top and bottom half), each 100 cm tall, connected together via Coupler Plate. Top/bottom orientation of each piece must be observed. | |
| Insert Points | ۲۸ M6 insert points on back panel (36 total with 8 center points being utilized by the Coupler Plate). | |
| Mounting | Included swivel (pan) / tilt wall bracket (must be mounted to threaded points on Coupler Plate) provides continuously variable ±۸۰° left-right swivel aiming (at up to ±۵° up/down tilt), continuously adjustable ±۱۰° up/down tilt, as well as 5° fixed increment tilt angles to ±۱۰°. Twenty-eight available threaded mounting points (M6 diameter x M1 thread pitch x 17 mm deep) located on back panel. Threaded mounting points can be utilized for suspension. Compatible with OmniMount 30.0 brackets | |
| Dimensions (H x W x D) | ۲۰۰۰ x 98.5 x 153 mm (78.8 x 3.8 x 6.0 in) | |
| Net Weight | ۱۴٫۶ kg (33 lb) | |
| Included Accessories | Swivel (pan) / tilt wall bracket, Coupler plate | |
| Optional Accessories | MTC-PC2 terminal panel cover MTC-CBT-FM1 flush-mount low-profile wall-mount bracket (2 pieces required) MTC-CBT-SMB1 stand-mount bracket for use with 35 mm speaker stands (heavy duty stand required) |
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