AVL WorldNews

Solotech deploys JBL VTX A12 Line Arrays at the Colosseum

Audio-system integrator Solotech recently completed the world’s first permanent installation of JBL by HARMAN VTX A12 loudspeakers at The Colosseum at Caesars Windsor Hotel & Casino resort. “We’ve got a world-class venue, and thanks to the VTX A12, we now have a world-class PA. With the whole system integration, including JBL Line Array Calculator and Performance Manager software, it’s a complete package,” said David Cyrenne, Production Supervisor and Audio Engineer at The Colosseum. “It’s kind of like high-end referencemonitor-quality sound in a concert linearray,” said Mark Radu, Senior Systems Designer, Solotech. “There’s no distortion in the highfrequency driver, so it’s crystal clear. It is such a smooth sounding box from top to bottom. The sound is so ‘in your face,’ and sonically, it’s like nothing JBL has made before.” Once all three phases of the upgrade are complete in April 2019, the system will feature ten additional A12 loudspeakers as out fills, four VTX V20 loudspeakers as center fills, six VTX V20 loudspeakers as side fills, and six VT4886 loudspeakers as front fills. The subwoofer deployment will include 12 flown JBL VTX S25 subwoofers with six per side, nine S25 subwoofers in a cardioid array, four S25 as side fills, and ten JBL VT4880A subwoofers as infra subs. Power will be provided by 29 Crown I-Tech 4X3500HD amplifiers and 10 Crown I-Tech 5000HD amplifiers. “On this box, the phase response is perfect from 300 hertz to 10 kHz—it’s right at zero degrees,” explained Radu. “With a multisource line array, it’s extremely rare to achieve a linear phase response. It can be challenging with a single 5-inch driver, so getting a linear phase response from 240 plus drivers is incredible. To me, that’s a big reason the A12 sounds so good.”

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