Description
The ARCS® WIDE and ARCS® FOCUS systems are based on two constant curvature enclosures ensuring distinct
directivity pattern and SPL capabilities. Intended for medium-throw applications in rental productions and fixed
installations, these line sources deliver remarkable acoustic properties and unmatched versatility for applications including
FOH L/R systems, central clusters, side-fill monitors, distributed systems and complementary fills.
The main systems components consist of the following:
• ARCS® WIDE (H x V: 30° x 90°) element, wide coverage, operating from 55 Hz to 20 kHz;
• ARCS® FOCUS (H x V: 15° x 90°) element, focused energy, operating from 55 Hz to 20 kHz;
• SB18m low frequency extension, operating down to 32 Hz;
• LA4, LA4X or LA8 amplified controllers.
The ARCS® WIDE or ARCS® FOCUS line sources provide high SPL with perfect acoustic coupling, a solid LF performance
and constant tonal balance over distance. Both systems can be deployed either as a horizontal array or as a vertical array.
In the coupling plane, the ARCS® WIDE and ARCS® FOCUS yield a razor-sharp directivity pattern, particularly valuable
to sector audience fields while avoiding reflective surfaces. In the other plane, both systems provide a 90° smooth
symmetric directivity pattern.
The ARCS® WIDE is suited to achieve an extensive coverage with few elements, offering a remarkably compact array
preserving sightlines. The total coverage angle of an ARCS® WIDE line source is proportional to the number N of
enclosures in the array, i.e. N x 30°.
The ARCS® FOCUS line source focuses the same acoustic energy within half of the coverage angle, i.e. N x 15°. The
ARCS® FOCUS is therefore suited to achieve a narrower coverage, offering a higher SPL with a more extended throw
than its sibling.
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