2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
CTS Exam Questions and Correct Answers |
Latest Update
When checking signal flow, the first thing you need to confirm is that the signal is _____.
✓ -:- being generated by the source co mponents
What type of connection is pictured below? (wire under screw)
✓ -:- direct connection
What type of chart is displayed below? (activity/year/budget/actual)
✓ -:- gantt chart
This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard
over a larger audience.
✓ -:- Speech Reinforcement System
0 dB SPL describes:
✓ -:- the threshold of human hearing
1|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
What is a decibel?
✓ -:- 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?
✓ -:- Negative -1.8 dB
How loud (in decibels) does a 60 Hz sound have to be for it to be audible?
✓ -:- 40 dB
According to the equal loudness curve chart below, how loud does a 20 Hz sound have to
be before it is audible?
✓ -:- 70 dB
"Weighting" a sound pressure level measurement accounts for differences in the way
_____.
✓ -:- humans perceive different frequencies at a given listening level
2|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
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?
✓ -:- 65
A sound wave must be transduced into _____ before it can be transmitted through the
audio signal path
✓ -:- electrical energy
Modern RF wireless microphones allow the user to _____ frequencies to avoid
interference.
✓ -:- change
The simultaneous use of multiple wireless microphone systems requires ____.
✓ -:- using lavalier microphones
In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a
permanent magnetic field.
3|P a g e | G r a d e A + | 2 0 2 0 2 5
, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
✓ -:- coil of wire
Operation of a condenser microphone requires ____ power.
✓ -:- phantom
Phantom power is the _____ required to power a condenser microphone.
✓ -:- remote power
Which of the following best describes an electret, when used in a microphone?
✓ -:- Prepolarized material
_____ is not a necessary specification for a microphone.
✓ -:- Input impedance
A -58 dBu would be a typical signal level for a(n) _____.
✓ -:- microphone
4|P a g e | G r a d e A + | 2 0 2 0 2 5
CTS Exam Questions and Correct Answers |
Latest Update
When checking signal flow, the first thing you need to confirm is that the signal is _____.
✓ -:- being generated by the source co mponents
What type of connection is pictured below? (wire under screw)
✓ -:- direct connection
What type of chart is displayed below? (activity/year/budget/actual)
✓ -:- gantt chart
This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard
over a larger audience.
✓ -:- Speech Reinforcement System
0 dB SPL describes:
✓ -:- the threshold of human hearing
1|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
What is a decibel?
✓ -:- 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?
✓ -:- Negative -1.8 dB
How loud (in decibels) does a 60 Hz sound have to be for it to be audible?
✓ -:- 40 dB
According to the equal loudness curve chart below, how loud does a 20 Hz sound have to
be before it is audible?
✓ -:- 70 dB
"Weighting" a sound pressure level measurement accounts for differences in the way
_____.
✓ -:- humans perceive different frequencies at a given listening level
2|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
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?
✓ -:- 65
A sound wave must be transduced into _____ before it can be transmitted through the
audio signal path
✓ -:- electrical energy
Modern RF wireless microphones allow the user to _____ frequencies to avoid
interference.
✓ -:- change
The simultaneous use of multiple wireless microphone systems requires ____.
✓ -:- using lavalier microphones
In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a
permanent magnetic field.
3|P a g e | G r a d e A + | 2 0 2 0 2 5
, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!
✓ -:- coil of wire
Operation of a condenser microphone requires ____ power.
✓ -:- phantom
Phantom power is the _____ required to power a condenser microphone.
✓ -:- remote power
Which of the following best describes an electret, when used in a microphone?
✓ -:- Prepolarized material
_____ is not a necessary specification for a microphone.
✓ -:- Input impedance
A -58 dBu would be a typical signal level for a(n) _____.
✓ -:- microphone
4|P a g e | G r a d e A + | 2 0 2 0 2 5
