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27 Cards in this Set
- Front
- Back
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Name some unique benefits ear monitor systems provide
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hear better, stereo feed, u can move around
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What is the first thing u need to do to obtain custom ear molds.
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get ur ears fitted
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A basic wireless in ear monitor system consist of
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Transmitter, Belt Pack, and head phones
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Why is a peak limiter necessary at the transmitter input
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so you dont blow the drivers or your ears
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What band positions usually use a hardwired in ear mix
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Drums, Backup singers, Horns
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how does an ambient mic fed into a musicians in ear mix help the musician
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give them sense of a actual concert crowd interaction
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Explain why a monitor wedge would be used in combo with in ears
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to feel the bass
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wat is another name for a constant voltage system
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High Impedence
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where are constant voltage systems commonly used
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if you need a lot of speakers
mall shopping center school |
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why is a transformer required at each speaker in a distributed system
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Power step down
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What are three commonly votages in a constant voltage system
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100, 70.7, and 25
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how are speakers rated in distributed systems
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dB spl per tap
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how many speakers can be connected to an amp in a constant voltage system
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as many as a amp can handle
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besides the power used by the speaker what are 2 other factors to consider when concerning power loss
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TIL
Loss due to cable |
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What is the industry rule of thumb used when figuring required amp outut wattage for a constant voltage system
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no more than 80%
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what is dynamic range
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peak level
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What is thermal noise
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Electronic noise
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Why are we forced to deal with system gain structure
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no standard noise floor level
no standard peak level |
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What is the benefit of graphing out a systems gain structure
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Make design and purchase decisions
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How many volts does 0dBu equal
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.775
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What is the purpose of a system limiter
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Early warning
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wat ratio is best for a system limiter
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8:1
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What are three methods used to determine clip points in a system
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Piezo
Onboard meters O-Scope |
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why do we run signal through system
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check integrity
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why would we zero out an eq b4 attempting to set gain structure
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cuts or boost
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in a typical audio circuit it is beneficial to have the load impedance of ____ times the source impedance to ensure efficient_____ transfer from device
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10 times
efficient voltage transfer |
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What is crest factor
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difference between peak and average
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