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Harman's JBL Professional Introduces CBT 50LA-LS Line Array Column Loudspeaker with EN54-24 CertificationHarman's JBL Professional introduces its new CBT 50LA-LS line array column loudspeaker that comes with full EN54-24 certification. EN54-24 is the EU standard for loudspeakers intended for use in voice announce and fire alarm systems. The CBT 50LA-LS is an addition to the popular CBT Series (constant beamwidth technology) that has been developed exclusively for the European installation market. The CBT 50LA-LS is a very compact 50cm high column that utilizes a straight line of eight 2" drivers. It contains low-saturation transformers, so it can be used on 70V/100V distributed speaker lines or as low impedance speakers. JBL's CBT Series column loudspeakers were the first loudspeakers to incorporate JBL's newly introduced and patented constant beamwidth technology, using passive beam-forming components to deliver a narrow vertical beamwidth and constant directivity coverage from a passive column, resulting in high intelligibility in difficult acoustical venues and consistent frequency response at every listener location. In addition, the CBT speakers provide dynamic SonicGuard overload protection circuitry, which reduces distortion at high drive levels, along with user variable voicing which allows for selecting a flat frequency response or a midrange presence peak for especially clear speech intelligibility.
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