EXAM: AVIXA CTS-D: Loudspeakers Test with Verified Solutions
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Course
Avixa CTS
Institution
Avixa CTS
EXAM: AVIXA CTS-D: Loudspeakers Test with Verified
Solutions
Distributed Loudspeaker System CORRECT ANS-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 pa...
What two items do a loudspeaker polar chart indicate? CORRECT ANS-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.
, EXAM: AVIXA CTS-D: Loudspeakers Test with Verified
Solutions
Loudspeaker Coverage Formula CORRECT ANS-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
h is the height of the listeners' ears
C∠ is the loudspeaker's angle of coverage in degrees.
What are common arrangements for distributed ceiling systems CORRECT ANS-1. Full
overlap
2. Edge-to-Edge
3. Minimum Overlap
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