1. Pre and post is not used in reference to the Auxiliary or the Aux sends of the mixer.

True False

2. Ohm is a unit of measure used to describe the quantity of "impedance."

True False

3. Directivity of a loudspeaker or system will vary from one pitch or frequency to another.

True False

4. Pre or post tell the operator what path the sound signal is traveling.

True False

5. A Polar Chart will show the directional characteristics of the microphone or loudspeaker.

True False

6. For intelligible sound, the amplified sound should be at least 10 dB higher than the ambient noise in the room.

True False

7. The Bel is a unit of measurement.

True False

8. In most spec sheets, directivity is listed as the "Q" of the speaker.

True False

9. The number of loudspeakers connected in parallel has no affect on the impedance the amplifier sees.

True False

10. A sound that is perceived to be twice as loud as another sound could be described as being 10 decibels (10dB) louder.

True False

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