Chapter 1
Stereo signals provide ? sound to the left and right channels. This is the most common form of sound reproduction.
A. Different
What type of cable is recommended for speaker runs of approximately 100 feet (30 meters)?
d. 16-gauge high strand
When the power is doubled, the sound will increase by ? .
A ? is a physical space with speakers, and may have a separate volume control.
b. listening area
What has three feet but cannot walk?
A yardstick
Which is a speaker specification used to identify a speaker’s performance?
F. All of the above
A-Bus is one of the few technologies that allow for the distribution of ? over eight-conductor twisted-pair cable.
d. all of the above (100%)
What is the purpose of a magnet in a speaker?
c. Provides permanent magnetism used to interact with the voice coil as electrical energy flows through it
What are the two main wireless technologies used in audio distribution?
d. Wi-Fi and Bluetooth
What has 13 hearts but no other organs
A deck of cards
To increase volume by three decibels, ? the power/wattage. To decrease the volume by three decibels ? the power/wattage.
One should always follow the manufacturer’s documentation for the appropriate method of wiring speakers and control devices based on their components.
? sound was the original form of audio playback using the audio generated from one point and distributed equally to multiple speakers in a zone.
A distributed audio system will always include which of the following?
d. a., b., and c.
What month of the year has 28 days in it?
All of them
An acoustically ? room is usually larger, has an open design with higher ceilings and reflective floors, and has no soft furniture or pillows .
d. live
A ? is the key to all audio systems; it is responsible for managing the operation of devices connected to it.
c. system controller
What is the most commonly used tool to measure sound?
To increase or decrease the power at a constant voltage speaker, the installer can choose from different ? .
d. taps
What building has the most stories?
Your age
What is the audible range of frequencies that humans hear?
b. 20 Hz to 20 kHz
Wireless speakers do not need wires for audio transmission, but they do require ? .
c. either a. or b. (100%)
Which of the following is not an audio amplifier specification?
d. Root-mean-square error
In a multi-source–multi-zone audio system, an audio source can be independently selected, allowing different music to be listened to in each zone. Source selection works through a ? .
What starts with T, ends with T, and has T in it?
A teapot