Currently comprising 18 models, the multi-patented technology of Alcons’ L-series ranges from the LR7 micro line array module - for smaller, portable or permanent applications - up to the LR28 larger format line array module, designed for arenas, stadiums and major outdoor events. All based around the company’s evolutionary pro-ribbon transducer technology. The LR24/120 is designed to complement the narrower dispersion, longer throw LR24/90 for delivering seamless quality sound to medium to larger applications.
The three-way, bi-amped LR24/120 features the new RBN1202rs 12-inch pro-ribbon transducer, custom designed for this new line-array element with acoustically and electronically symmetrical component configuration, delivering a natural cylindrical wavefront with unique pattern control in both the vertical and horizontal plane. Without any distortion-inducing horn construction, the ribbon transducer produces pure sound up to the highest frequencies, the coherence of the vertical dispersion delivering perfect inter-cabinet coupling for ultimate HF throw and wind stability.
As Alcons also details, thanks to the RBN1202’s power handling of 2500W, enabled by its 12” voice-coil, and an RMS-to-peak ratio of 1:15 from 1kHz to 20kHz, configurations with this new element will be able to improve intelligibility, complemented by maximum dynamic headroom reserve.
The pro-ribbon driver is complemented by a mid-frequency section comprising two high efficiency 6.5-inch midrange transducers with neodymium motor structure. The low frequency section features new generation 12-inch transducers, fitted with a large, dual 3.5-inch voice coil neodymium motor. This enables a significantly extended excursion with high sensitivity for very accurate, high output bass, with an extremely low distortion.
With a benchmark-setting fast impulse response and industry’s lowest distortion, the LR24/120 delivers perfect intelligibility and non-compressed, identical tonal balance at any SPL. As with all Alcons L-series systems, this is assisted by Signal Integrity Sensing (SIS) pre-wiring. This circuit ensures dynamic cable/connector compensation between the LR24/120 and the Sentinel amplified loudspeaker controller which powers it, providing undistorted, natural sound reproduction regardless of cable length and amplifier impedance load.Dedicated system configuration presets feature the VHIR™ flat-phase processing.
The patented flying system facilitates both compressed and non-compressed suspension, while enabling angle-setting on the cabinets without lifting the array. It has a WLL of 24 cabinets under 10:1 safety.
Suitable for medium-to large touring and production applications, the LR24 system is part of “The Ribbon Network” inventory; Alcons Audio’s international network for dry-hire cooperation of Alcons systems, backing members with enough inventory to bring the Alcons experience to even the largest audiences.
"The LR24 system offers us inroads into the production market and extends our portfolio for the installed market as well. With different conversion frames to connect to other line-arrays, we have embedded the LR24 in the L-series eco system," explains Philip “Dr.Phil” de Haan, head of Alcons Audio R&D. "We’re getting great feedback from the users. The system’s size/weight-to-output ratio, in combination with the unique sound quality, seems to hit the sweet-spot for many. The new wide-dispersion LR24/120 was a logical request from our user group, to extend the Alcons signature sound to a wider audience."
The Alcons LR24/90 line-array element was introduced at the NAMM 2022 show, followed by special, invitation-only demonstration/test drive events in Hollywood and Nashville to a number of highly regarded US touring sound engineers who all praised the performance, lack of distortion and overall audio-quality of the systems. "Alcons has definitely moved the bar a great deal with what they have done in every octave, but most notably the pro ribbon is a game changer!," said Gord Reddy (Alison Krauss a.o.).
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