1. A common cause of electronic failure is due to heat. If your amplifier is covered with dust, it may heat up too much and fail.

True False

2. A microphone converts acoustical energy to electrical energy. The preamp in the mixer boosts the microphone level to line level. Then the amplifier boosts the line level up to speaker level power. Finally, the speaker converts the electrical energy back into a much louder acoustical energy signal.

True False

3. Making decisions about a sound system purchase is a stand-alone process. There is no need to consult other departments about their goals for the facility.

True False

4. Bell Laboratories concluded phone systems could limit frequency response to frequencies between 300 Hz and 3,000 Hz, and still maintain intelligible sound.

True False

5. The human voice sounds natural when limited to frequencies between 300 Hz and 3,000 Hz.

True False

6. Speech is most intelligible in a room that is highly reverberant.

True False

7. To naturally reproduce musical instruments, a sound system needs to reproduce frequencies between 40 Hz and 15,000 Hz.

True False

8. When planning your sound system budget, don't forget about the need for maintenance and supplies.

True False

9. When purchasing a sound system on a budget, it is wise to consider the fast-improving technology and to purchase components first that won't be obsolete in a year.

True False

10. The sound quality from the loudspeaker system should sound the same as the talker or singer, only louder.

True False

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