Description
Requirements for smaller array configurations and shorter throw distances – but with the same quality
standards as set by V-DOSC – led to the design of ARCS. Since ARCS generates a modular, curved
wavefront, ARCS stands for “Arrayable Radial Coherent System”. While V-DOSC uses variable
curvature arrays to perform wavefront sculpture in the vertical plane, ARCS operates in the horizontal
(or vertical) plane and generates a modular, constant curvature wavefront with a radius of wavefront
curvature corresponding to 1.15 meters.
The patented DOSC waveguide designed exclusively for ARCS loads a compression driver that is
operated from 900 – 20k Hz. This waveguide produces a radiated wavefront that covers the total
width of the enclosure and has an arc’s shape of 22.5°. Individual radiated wavefronts are curved
rectangular strips that match the trapezoidal angle of each ARCS enclosure and, as a result, the
wavefront radiated at high frequencies by an ARCS array is continuous with an arc’s shape that is equal
to the N*22.5° (where N is the number of enclosures). For example, four ARCS enclosures provides
90° horizontal coverage.
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