Cbt 70j 1 Unpowered Line Array Speakers Performance Audio

jbl cbt 70j 1 full range j shaped speaker system constant beamwidth technology two way line array column with asymmetrical vertical coverage with improved mounting bracket for enhanced aiming flexibility and stronger grille the cbt 70j 1 with constant beamwidth technology represents a breakthrough in pattern control consistency utilizing complex analog delay beam forming and amplitude tapering to accomplish superior consistent vertical coverage without the narrow vertical beaming and out of coverage lobing that are typical of straight form factor column speakers shown with included grille removed features asymmetrical vertical coverage sends more sound toward far area of room to make front toback sound levels more consistent components sixteen 25 mm 1 in soft dome tweeters and four 125 mm 5 in high power lf drivers arranged coaxially patent pending constant beamwidth technology provides constant directivity up to the highest frequencies and reduces out of coverage lobing vertical pattern coverage switchable between 45 for medium throw coverage and 25 for long throw applications switchable voicing provides flat response in music mode or mid range presence peak in speech mode dynamic sonicguard overload protection of hf devices swivel pan tilt wall bracket included specifications components four 130 mm 5 in lf drivers sixteen 25 mm 1 in hf drivers frequency range 10 db 60 hz 20 khz coverage vertical selectable via switch narrow mode 25 2 khz 16 khz 10 broad mode 45 750 hz 16 khz 10 horizontal 150 500 hz 8 khz 20 sensitivity 2 83v 1m narrow speech mode 98 db 1 khz 8 khz music mode 93 db 300 hz 18 khz broad speech mode 96 db 1 khz 8 khz music mode 92 db 300 hz 18 khz nominal impedance 8 ohms power capacity 500 w 2000 w peak 2 hrs 350 w 1400 w peak 100 hrs max splnarrow speech mode 125 db cont ave 131 peak music mode 120 db cont ave 126 peak broad speech mode 123 db cont ave 129 peak music mode 119 db cont ave 125 peak low frequency drivers 4 pcs 130 mm 5 in drivers dual