Monday, August 16, 2010

Written Activities From Booklet Pages 35-36

1.Which microphone needs phantom power?
A. Dynamic vocal microphone
2.If there is no phantom power, what happens?
A flatter and wide frequency response is produced
3.If phantom power is not required, why should we turn it off?
If the certain microphone is not being used but the phantom power is on, you could overwork the system
4.Which cable is acceptable?
A.100m microphone cable
5.With everything plugged in, and powered up, what is the first gain control that you adjust?
A. Master output fader
6.Which is the correct STARTING position for controls?
- Auxiliary control is at 12 o’clock (pointing up)
- Equalistion (low frequency) control is at 12 o’clock (pointing up)
7.If we switch on the High Pass Filter, what does it do?
Allows high frequency through
8. Draw a simple diagram to connect these devices:
a. Mixer
b. Microphone
c. Speaker
d. Amplifier
e. Equaliser


9. Now add to your diagram a single stage monitor, and show where it is connected on the mixer: e.g: which mixer output it will be fed from........


10. List some things that will stop sound, some reasons why your8 could system (the one you drew in the diagram (9) above), does not work when you have connected it all together.
a. Inputs and outputs wrong way around
b. Master volume down
c. EQ problem
d. Broken wires
e. Cords not plugged in
f. Switches not turned on
11. What is the lowest frequency you can hear?
16 – 32 Hz
12. What is the highest frequency you can hear?
8192 – 16384Hz
13. What is the correct sequence to follow when powering UP (turning on) a sound system?
Start with master off when connecting sound system, turn master volume on to play sound then adjust different auxiliaries and equalisation.

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