The JBL CBT 50LA-1, featuring Constant Beamwidth Technology™, represents a significant advancement in pattern control. By employing analog delay beam-forming and amplitude tapering, it ensures consistent vertical coverage without the common issues of narrow vertical beaming and out-of-coverage lobing associated with traditional straight form-factor column speakers. This slim and compact model, standing at just 53 cm (20.8 in) tall and 10 cm (3.9 in) wide, integrates seamlessly into various architectural designs.
Designed for a broad range of applications including retail stores, transit spaces, conference rooms, and lecture halls, the CBT 50LA-1 offers superb sound quality and excellent pattern control. It features a Music/Speech switch on the side of the cabinet, allowing users to tailor the voicing to their needs. The Music setting delivers a flat frequency response, while the Speech setting enhances mid-range presence for improved intelligibility at longer distances.
The CBT 50LA-1 incorporates drivers with dual neodymium magnets for lightweight performance and copper-capped pole pieces that reduce driver inductance and flux modulation. This design boosts high-frequency extension and minimizes distortion at high drive levels. Additionally, butyl rubber surrounds ensure durability in high-humidity environments, and the drivers are shielded for added protection. Dynamic SonicGuard™ technology further enhances clarity and driver protection by dynamically limiting low-frequency excursion, preventing damage from overpowering and ensuring clear, high-quality sound.
Specifications
Here are the specifications for the JBL CBT 50LA-1:
– **Components:** Eight 50 mm (2 in) full-range drivers
– **Frequency Range (-10 dB):** 80 Hz – 20 kHz
– **Coverage Pattern:**
– **Vertical:** 20° (1.5 kHz – 16 kHz, ±10°)
– **Horizontal:** 150° (average, 1 kHz – 4 kHz, ±20°)
– **Sensitivity (2.83V @ 1m):**
– **Speech Mode:** 93 dB (2 kHz – 14 kHz)
– **Music Mode:** 89 dB (300 Hz – 18 kHz)
– **Nominal Impedance:** 8 ohms
– **Power Capacity:**
– **150W (600W peak), 2 hrs** (8 ohm setting)
– **100W (400W peak), 100 hrs**
– **Max SPL:**
– **Speech Mode:** 115 dB continuous average (121 dB peak)
– **Music Mode:** 111 dB continuous average (117 dB peak)
– **70V/100V Transformer Taps:** 60W, 30W, 15W (7.5W at 70V only), and 8 ohms through, 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 swivel (pan)/tilt insert points on back panel
– **Mounting:**
– **Included:** Swivel (pan) / tilt wall bracket
– **Swivel:** ±80° left-right
– **Tilt:** ±15° adjustable, 5° fixed increment points
– **Threaded Mounting Points:** Conform to industry standard rectangular 108 x 51 mm (4.25 x 2.0 in) pattern for OmniMount® 30.0 and other compatible brackets
– **Dimensions (H x W x D):** 528 x 99 x 153 mm (20.8 x 3.9 x 6.0 in)
– **Net Weight:** 4.1 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 35 mm speaker stand
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