6 - Design Guide
Selecting Loudspeaker Models, Modules and Beam Patterns
Choosing Beam Patterns
There are three beam pattern options for the Panaray® MSA12X. You can choose the beam type depending on
the location of the array and shape of the coverage area.
Basic Steer/Spread
Basic Steer/Spread is the most basic beam pattern. First, steer the axis of the
beam vertically, then spread the beam from that axis. Steering and Spreading
are independent from each other. If spreading is applied, the beam is spread
symmetrically from the steer axis. When the Steer angle = 0 and the Spread
angle=0, the radiation pattern of the array is the same as that of a (passive) non-
steerable columnar array, such as the Panaray MA12EX loudspeaker. Steer/Spread
works for the vertical plane only; horizontal steering/spreading is not supported.
Vocal Range Smoothing Option
Basic Steer/Spread has an option called Vocal Range Smoothing. With this option enabled (ON), the tonal
balance inside of the coverage becomes more consistent, and the sidelobes from the beam are suppressed.
The beam shape also becomes smoother, specifically around the vocal range. The trade-o of using this
option is that you lose a few dB of headroom.
Angular Limits
1-module array
Steer: ± 20°
Spread: Up to 30° (± 15°)
−20°
15°
15°
Steer: ± 20°
Spread: Up to 40° (± 20°)
−20°
20°
20°
30°
40°
Ear
Height
0.3-0.8 m
(1’-2.5’)
Max Recommended
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