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Music Business > Concert Technology > Flashcards

Concert Technology Flashcards

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1
Q

A pre amp is

A

A device used to provide amplification to the microphone so that the mixing board can manipulate the signal efficiently

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2
Q

A transducer is

A

A device used to transfer acoustic energy to electric energy and vice versa

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3
Q

A crossover is

A

A device used to split the signal by frequency

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4
Q

A dynamic processor is

A

A device used to regulate volume on a ratio principle after the initial gain stage

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5
Q

An equalizer is

A

A device used to adjust the volume of frequencies

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6
Q

A microphone is

A

An Input transducer

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7
Q

What type of input source are the most widely manufactured microphones, least expensive and most durable?

A

Dynamic

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8
Q

What type of input source are the most expensive and least durable?

A

Condenser

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9
Q

Hat type of input source uses electrostatic energy known as phantom power and are known for their accuracy and strength of high frequencies?

A

Condenser

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10
Q

What type of input source are fastened to a vibrating plate on the instrument?

A

Piezo-electric

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11
Q

What type of input sources takes a feed directly from an instrument into the pre amp?

A

Direct boxes (DI)

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12
Q

What is a filter used for?

A

To limit frequencies above or below fixed points

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13
Q

What is a compressor used for?

A

To control loud volumes

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14
Q

What is a gate used for?

A

To control soft volumes

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15
Q

What is a large vibrating element, known in slang as the woofer?

A

Direct radiator

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16
Q

What has the best control for direction of the sound of higher frequencies?

A

Bullet horn

17
Q

What has the best control for direction of the sound of lower frequencies?

A

Horn folded into a W pattern

18
Q

What is the ability of a component to spread out the sound to a certain angle, important towards eliminating feedback

A

Dispersion

19
Q

Describe the process of ringing out a system

A

Set all graphic EQ sliders to fat
Bring up output gain until you hear feedback from a specific frequency
Find fader for specific frequency and bring it down until feedback is gone
Repeat for other frequencies

20
Q

An example of this type of electrical current would be provided the power company

A

AC

21
Q

An example of this type of electrical current would be from batteries

A

DC

22
Q

What is the measurement of electron flow from one point to another, which is the amount of electrical flow possible through a wire?

A

Amps

23
Q

What is the measurement expressing the amount of electrical energy consumed by a device?

A

Watts

24
Q

What is the measurement of electrical pressure typically in the us at 110 volts

A

Colts

25
Q

Describe three phase power and identify the wires used

A

It is an efficient way of distributing power, three alternating power sources the workload around a neutral wire. The red, blue, and black wire are the load wires. The grey wire is the neutral wire. The green wire is a safety feature and wired to the ground source

26
Q

What power distribution method is sent to multiple sources (lights) and if one fails the others are not affected

A

Parallel

27
Q

What power distribution method has one path if one fails every else with be affected

A

Series

28
Q

Four way PA system seems to be sounding weird. What can you check?

A

Check if wires are plugged in correctly, nothing’s damaged, check high, low, and band pass filter. Check if there is a electrical/circuit issue, check amp

29
Q

What restricts the amount of power to the individual light?

A

Dimmer

30
Q

What is a light referred to in its nonspecified form

A

Lamp

31
Q

What is the most common type of light used in a lighting system?

A

PAR can

32
Q

What is a change of lighting scheme at a specific time?

A

Cue

33
Q

What is a map showing all of the lighting instruments and electrical devices, their control assignment and locations?

A

Light plot

34
Q

What are the primary colors of light?

A

Red, blue, green

35
Q

3 Quad PA system

A

Mic, crossover, hpf 150 w amp,bpf 300 w amp ,lpf 500 w amp

Speakers

36
Q

Lighting system

A

Position and unit number, circuit number, dimmer number,channel control

Light instrument, cable circuit, dimmer, light board

Music Business (10 decks)

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