Module 33401 Audio Systems Study
Guide
A bandpass filter attenuates_____. - correct answer frequencies on either side of a
designated band
The primary frequencies produced by the human voice are in the range of_____. - correct answer
100 to 400 Hz
Inputs to an audio system are first converted to_____. - correct answer electrical
signals
Transformers with multiple sets of leads for connecting speaker at different wattages are known as____.
- correct answer line matching transformers
Speaker systems for speech reinforcement are optimized in the range of - correct answer
200Hz to 8kHz
The directionality of a microphone determines its sensitivity to sounds coming from different____. -
correct answer angles
Clipping means the transient highs of a waveform are cut off, creating____. - correct answer
square wave
The load impedance of a bridged circuit is how many times that of the source? - correct answer
10
when an array of speakers lacks a uniform response it result in_______. - correct answer
comb filtering
