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Alcons Extend QR24 Coverage

The QR24/110 modular 2-way column loudspeaker will model as a scalable vertical array system, for both permanent and limited portable applications in 2017.

The loudspeaker combines a 1:1 linear and dynamic sound reproduction with in challenging acoustic environments. The symmetrical acoustic design and patented 110° horizontal dispersion of the RBN High Frequency drivers up to 20 kHz, offers seamless coverage, widening the off-axis positioned audience.

Each purpose-designed RBN1203 12” pro-ribbon driver has a peak power handling of 2,000W, creating a virtually infinite system MHF headroom of 4,000W from 1kHz up. The low-mids are taken care of by 4 high-excursion, vented 6.5-inch transducers, which are co-axially mounted behind the pro-ribbon drivers, delivering a frequency response of 74 Hz – 20.000 Hz.

The controlled cylindrical projection can be extended down to the lower frequencies by enlarging the array length through adding extra QR/QM modules. Up to 2 QR24 units can be combined on a single tripod stand, forming a 52-inch tall array, where up to 11 cabinets of the QR24 can be connected, utilising integrated flying hardware under a safety-rating of 10:1, forming arrays of more than 7 metres tall.

The QR24/110 is powered and controlled by the ALC amplified loudspeaker controller; Through the integrated processing and feedback, the ALC offers QR24-specific drive processing with optimal response and reliability and utmost user-friendliness.

The Signal Integrity Sensing pre-wiring offers a 1:1, undistorted, natural sound reproduction, regardless of cable length and amplifier impedance load (system damping factor 10.000). The QR24 is also available as QR24/80, with 80° horizontal dispersion and can be combined with the QR24/110 in the same array. Certified EASE data for the QR24’s with a 1° resolution accuracy is available on the Alcons website.

Philip ‘Dr Phil’ de Haan, Head of Alcons Audio R&D, commented: “The QR24 remains a unique tool in the sound designers toolbox. We always get surprised looks when we demonstrate the unique razor-sharp edged vertical dispersion or the intelligibility at distances in excess of 100 metres with only 2 QR24 on a tripod stand.”

Ever since the first installations at Red Bull’s Hangar-7, the Koekelberg Basilica in Brussels, the Finnish National Theatre, or the Flex club in Vienna, the scalable Q-series has made the crucial difference in tall ceiling theatres, reverberant churches, all-glass dome venues, low-ceiling clubs or deep, 10,000 seat council meetings.

Dr Phil concluded: “The natural cylindrical wave front of our pro-ribbons is the prominent part of the QR24’s unique combination of a high-output, full-range HiFi response with a flat SPL coverage over distance, in even the most difficult acoustical environments. Or as a client put it: ‘using Q-series is like switching off the room reverb.’”

www.alconsaudio.com

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