AVIXA CTS-D: Loudspeakers Exam Questions With Correct Answers
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Course
Avixa CTS
Institution
Avixa CTS
AVIXA CTS-D: Loudspeakers Exam
Questions With Correct Answers
Distributed Loudspeaker System - answerEmploys multiple loudspeakers that are separated
by some distance from each other. This is most commonly done by placing them in the ceiling
above the audience area.
loudspeaker polar pattern d...
AVIXA CTS-D: Loudspeakers Exam
Questions With Correct Answers
Distributed Loudspeaker System - answer✔✔Employs multiple loudspeakers that are separated
by some distance from each other. This is most commonly done by placing them in the ceiling
above the audience area.
loudspeaker polar pattern directivity - answer✔✔how much area a selected loudspeakers will
cover, typically in ballon plot format representing a specific frequency response
Coverage is typically stated at the 6 dB down points with 5 degree markings
What two items do a loudspeaker polar chart indicate? - answer✔✔1. The radiated energy of a
loudspeaker at a given frequency in either the vertical or horizontal plane. Energy radiates
outward - but not equally - in all directions from the loudspeaker, and polar plots are used to
show the pattern of the energy.
2. The degree off-axis where the radiated energy decreases by 6 dB as compared to the on axis
level. These locations are referred to as the, "6 dB down points." Most often, the coverage
pattern in equipment specifications is typically stated at the 6 dB down points.
Loudspeaker Coverage Formula - answer✔✔This is the formula for the diameter of the circle
representing the coverage area of a loudspeaker:
D = 2 * (H - h) * tan (C∠ / 2)
Where:
D is the diameter of the coverage area
H is the ceiling height
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