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L-Acoustics ARCS II
News L-Acoustics ARCS II

Array Speaker Cabinet from L-Acoustics belonging to the ARCS series

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L-Acoustics is introducing its new ARCS II constant curvature line source at PLASA, Hall 1 F24 (SSE Audio Group).

The ARCS II features a design exploiting L-Acoustics’ Wavefront Sculpture Technology in a constant curvature line source solution.


The bi-amplified ARCS II enclosure is based on a 2-way active design. It offers a number of improvements over the previous generation, primarily L-Acoustics’ K1 grade transducers for increased SPL (140 dB) and lower weight (50 kg). It also features a new front grill, and is driven by a single factory preset.


An ARCS II line source can be deployed either horizontally or vertically, with a coverage angle proportional to the number of enclosures in the array (N x 22.5°). On the other plane, vertical or horizontal respectively, the ARCS II line source provides an asymmetrical coverage angle of 60° (20°/40°). The orientation of the ARCS II enclosures within the array determines asymmetric distribution, allowing the use of a horizontal ARCS II line source either for upward or downward coverage.


ARCS II can be deployed as a FOH system for medium throw applications. Other applications include distributed system, centre cluster for theatrical work, sidefill monitoring, flown or stacked centre fill, stereo front fill, offstage fill or delay system for concert audiences in stadia and arenas.


The LA-RAK touring rack and the LA8 amplified controller preset library deliver a drive system for ARCS II. Additional features include the L-Drive 2-way transducer protection circuit (PEAK and RMS limiting) and the Array Morphing EQ interface, which is designed to allow the engineer to adjust the tonal balance of the system to produce a reference curve or ensure consistency of the system’s sonic signature with multiple arrays of different types and sizes.



The system is scheduled to ship in October 2011. No pricing info.


For more information, visit www.l-acoustics.com/arcsII.

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