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33401 Audio Systems Certification Exam Review Questions And Answers Verified Solutions. $13.99   Add to cart

Exam (elaborations)

33401 Audio Systems Certification Exam Review Questions And Answers Verified Solutions.

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  • 33401
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  • 33401

Sound levels greater than _____ dB can cause permanent hearing damage. - correct answer 120 The height of a sound wave above and below the zero point is called _____. - correct answer amplitude Sound, in its most basic ...

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  • November 4, 2024
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  • 33401
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RealGrades
33401 Audio Systems

Sound levels greater than _____ dB can cause permanent hearing damage. - correct answer
120



The height of a sound wave above and below the zero point is called _____. - correct answer
amplitude



Sound, in its most basic form, is _____. - correct answer Vibration



One common element of all microphones is the _____, which reacts to sound pressure by producing
vibrations. - correct answer diaphragm



The type of microphone that is most likely to be attached to a tabletop or some other flat surface is the
_____ microphone. - correct answer Pressure-response



A(n) _____ microphone uses a piezoelectric crystal. - correct answer Ceramic



The most common microphone pickup pattern is the ______. - correct answer
cardioid



A piezoelectric speaker is most likely used for _____ applications. - correct answer
high-frequency



A woofer speaker operates in the _____ frequency range. - correct answer 20 Hz to
200 Hz



Which of the following speaker types operate in the high range of frequencies? - correct answer
tweeters

, A _____-pass filter attenuates frequencies on either side of a designated band of frequencies. - correct
answer Band



The most common form of distortion created by an amplifier is _____ distortion. - correct answer
harmonic



A(n) _____ transformer has more than one set of secondary windings and can provide different levels of
output. - correct answer line-matching



The purpose of a noise gate is to _____ very low-level input channels. - correct answer
turn-off



Speaker systems for voice reinforcement are usually optimized in the _____ frequency range. - correct
answer 200 Hz to 8kHz



Wiring for 70V paging systems should not be run in close proximity to ______. - correct answer
telephone wiring



Use a(n) ______ to convert an unbalanced connection to a balanced connection. - correct answer
balancing amplifier



Speaker cables should not be twisted much, because twisting _____. - correct answer
increases capacitance



A Volume Unit (VU) meter is used to display the _____ audio levels. - correct answer
average



When using a Sound Pressure Level (SPL) meter outdoors, it should be held ______. - correct answer
with its microphone pointing up



Individual component tests are usually performed in the ______ phase of installation. - correct answer
staging

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