CTS EXAM 2 COMPREHENSIVE EXAMINATION
TEST 2026 SOLVED QUESTIONS ANSWERS
GRADED A+
◉ What type of connection is pictured below? (wire under screw)
Answer: direct connection
◉ What type of chart is displayed below?
(activity/year/budget/actual)
Answer: gantt chart
◉ This type of audio system reinforces or amplifies a presenter's
voice so that they'll be heard over a larger audience.
Answer: Speech Reinforcement System
◉ 0 dB SPL describes:
Answer: the threshold of human hearing
◉ What is a decibel?
Answer: a logarithmic scale used to describe ratios with a large
range of values
,◉ An audio amplifier outputs 75 watts and then it is decreased to 50
watts. What is the change in decibels?
Answer: Negative -1.8 dB
◉ How loud (in decibels) does a 60 Hz sound have to be for it to be
audible?
Answer: 40 dB
◉ According to the equal loudness curve chart below, how loud does
a 20 Hz sound have to be before it is audible?
Answer: 70 dB
◉ "Weighting" a sound pressure level measurement accounts for
differences in the way _____.
Answer: humans perceive different frequencies at a given listening
level
◉ You measure the background noise level in a conference room at
40 dB SPL A-wtd. What is the target sound pressure level of the
audio system?
Answer: 65
◉ A sound wave must be transduced into _____ before it can be
transmitted through the audio signal path
,Answer: electrical energy
◉ Modern RF wireless microphones allow the user to _____
frequencies to avoid interference.
Answer: change
◉ The simultaneous use of multiple wireless microphone systems
requires ____.
Answer: using lavalier microphones
◉ In a dynamic microphone, there is a(n) _____ attached to a
diaphragm and placed in a permanent magnetic field.
Answer: coil of wire
◉ Operation of a condenser microphone requires ____ power.
Answer: phantom
◉ Phantom power is the _____ required to power a condenser
microphone.
Answer: remote power
◉ Which of the following best describes an electret, when used in a
microphone?
, Answer: Prepolarized material
◉ _____ is not a necessary specification for a microphone.
Answer: Input impedance
◉ A -58 dBu would be a typical signal level for a(n) _____.
Answer: microphone
◉ Select all of the true statements about this image: (2kHz cardiod
polar plot)
Answer: The above shows a polar plot of a cardioid microphone; The
response of this microphone at 2kHz is best on axis at 0 degrees.
◉ Direct coupled sound systems are best for program audio because
of their _________.
Answer: Higher fidelity
◉ A polar plot shows a loudspeaker's ____.
Answer: coverage angle
◉ Polar plot diagrams are used for which purpose?
Answer: Identifying a device's directionality at a given frequency
TEST 2026 SOLVED QUESTIONS ANSWERS
GRADED A+
◉ What type of connection is pictured below? (wire under screw)
Answer: direct connection
◉ What type of chart is displayed below?
(activity/year/budget/actual)
Answer: gantt chart
◉ This type of audio system reinforces or amplifies a presenter's
voice so that they'll be heard over a larger audience.
Answer: Speech Reinforcement System
◉ 0 dB SPL describes:
Answer: the threshold of human hearing
◉ What is a decibel?
Answer: a logarithmic scale used to describe ratios with a large
range of values
,◉ An audio amplifier outputs 75 watts and then it is decreased to 50
watts. What is the change in decibels?
Answer: Negative -1.8 dB
◉ How loud (in decibels) does a 60 Hz sound have to be for it to be
audible?
Answer: 40 dB
◉ According to the equal loudness curve chart below, how loud does
a 20 Hz sound have to be before it is audible?
Answer: 70 dB
◉ "Weighting" a sound pressure level measurement accounts for
differences in the way _____.
Answer: humans perceive different frequencies at a given listening
level
◉ You measure the background noise level in a conference room at
40 dB SPL A-wtd. What is the target sound pressure level of the
audio system?
Answer: 65
◉ A sound wave must be transduced into _____ before it can be
transmitted through the audio signal path
,Answer: electrical energy
◉ Modern RF wireless microphones allow the user to _____
frequencies to avoid interference.
Answer: change
◉ The simultaneous use of multiple wireless microphone systems
requires ____.
Answer: using lavalier microphones
◉ In a dynamic microphone, there is a(n) _____ attached to a
diaphragm and placed in a permanent magnetic field.
Answer: coil of wire
◉ Operation of a condenser microphone requires ____ power.
Answer: phantom
◉ Phantom power is the _____ required to power a condenser
microphone.
Answer: remote power
◉ Which of the following best describes an electret, when used in a
microphone?
, Answer: Prepolarized material
◉ _____ is not a necessary specification for a microphone.
Answer: Input impedance
◉ A -58 dBu would be a typical signal level for a(n) _____.
Answer: microphone
◉ Select all of the true statements about this image: (2kHz cardiod
polar plot)
Answer: The above shows a polar plot of a cardioid microphone; The
response of this microphone at 2kHz is best on axis at 0 degrees.
◉ Direct coupled sound systems are best for program audio because
of their _________.
Answer: Higher fidelity
◉ A polar plot shows a loudspeaker's ____.
Answer: coverage angle
◉ Polar plot diagrams are used for which purpose?
Answer: Identifying a device's directionality at a given frequency
