Live Sound 200 Final Exam Review UPDATED Actual Exam Questions and CORRECT Answers
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Course
Live Sound 200
Institution
Live Sound 200
Live Sound 200 Final Exam Review
UPDATED Actual Exam Questions and
CORRECT Answers
If you wired two 8-ohm speakers in series to a 4-ohm speaker in parallel what would the total
resistance be - CORRECT ANSWER- 3.2 ohms (Sum of the Reciprocals)
On a 3-phase power distro, if you were to measure...
Live Sound 200 Final Exam Review
UPDATED Actual Exam Questions and
CORRECT Answers
If you wired two 8-ohm speakers in series to a 4-ohm speaker in parallel what would the total
resistance be - CORRECT ANSWER✔✔- 3.2 ohms (Sum of the Reciprocals)
On a 3-phase power distro, if you were to measure VAC from red to blue, what would you
read? - CORRECT ANSWER✔✔- 208
The room's energy and the speaker's energy is equal at this point - CORRECT ANSWER✔✔-
Critical Distance
What is accomplished by performing a continuity test on a cable? - CORRECT
ANSWER✔✔- Finding out if it works
What level does a passive crossover work at? - CORRECT ANSWER✔✔- Speaker Level
Phantom Power is direct current voltage - CORRECT ANSWER✔✔- True (48VDC)
What are the 7 items needed to create a basic PA - CORRECT ANSWER✔✔- 1. AC Power
2. Input Device
3. Mixer
4. EQ
5. Crossover
6. Power Amp
7. Speaker
AM and FM represent what? - CORRECT ANSWER✔✔- Amplitude Modulation and
Frequency Modulation
, 3-phase power colors
Hot 1 (X)
Hot 2 (Y)
Hot 3 (Z)
Ground
Neutral - CORRECT ANSWER✔✔- X: Black
Y: Red
Z: Blue
Ground: Green
Neutral: White
Power supply is what kind of voltafe - CORRECT ANSWER✔✔- AC Voltage
Passive crossover works at what level - CORRECT ANSWER✔✔- Speaker Level
Active Crossover uses what kind of voltage - CORRECT ANSWER✔✔- DC Voltage
Microphone Preamplifiers use what kind of voltage - CORRECT ANSWER✔✔- Mil Leve
How fast do electrons move through analog equipment? - CORRECT ANSWER✔✔- The
speed of light, thus basically latency-free
A ground loop occurs when there is more than one ground connection path between -
CORRECT ANSWER✔✔- two pieces of equipment
True Diversity means... - CORRECT ANSWER✔✔- That the receiver has two antennas, each
with it's own amplifier module
Antennas need to be _________ wave or larger when detached from a wireless base unit,
when extending the antennas - CORRECT ANSWER✔✔- 1/2 wave or larger
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