Live Sound Chapters 1-3

What is the function of a power amplifier in an audio system?

• Combines multiple signal sources into a single output

• Increases the power of incoming audio signals

• Alters the basic audio signal to enhance the tone

• Converts electrical energy into acoustic energy

Tags

NGSS.HS-PS3-3

Which type of microphone is most commonly used for live applications?

• Condenser

• Dynamic

• Ribbon

• Cardioid

Tags

NGSS.HS-PS4-5

What is the purpose of a low-cut filter in a microphone?

• Reduce low-frequency content

• Enhance the tone of the audio signal

• Increase the mic's sensitivity

• Reject unwanted noise

Which type of microphone has a narrow sound field and is suitable for vocalists fronting loud bands?

• Cardioid

• Omnidirectional

• Hypercardioid

• Figure 8

What type of lines are more common and include guitar cords and most hi-fi cables?

• Dynamic

• Unbalanced

• Balanced

• Ribbon

What type of connectors do balanced 1/4" phone plugs have?

• Two sections

• Three pins

• Tip and sleeve

• Tip-ring-sleeve

Which type of gear almost always uses balanced lines and XLR connectors?

• Electric guitar and bass

• Mixer inputs

• Portable MP3 players

• Microphones

Tags

NGSS.HS-PS4-5

What type of lines do synthesizers and other electric instruments typically offer for their outputs?

• Balanced

• Ribbon

• Unbalanced

• Dynamic

What type of connectors do portable MP3 players typically use?

• 1/4" phone

• XLR

• Stereo mini-jack

• RCA phono

What type of inputs do powered speakers accept from today's mixers?

• Balanced line-level signals with XLR jacks

• Ribbon signals with stereo mini-jack

• Dynamic signals with RCA phono connections

• Unbalanced line-level signals with 1/4" jacks