Quiz 1

Front 1

Name two types of graphs commonly seen in specification sheets.

Back 1

Frequency response
Polar response

Front 2

Define maximum Input level

Back 2

refers to the max amount of voltage that can be applied to a consoles input.

Front 3

In order to maintain proper voltage transfer between pieces of equipment, your input impedence must be at least 10 times ___________ than your output impedance.

Back 3

Greater

Front 4

Define "audio Distortion"

Back 4

Any that alters a pure input signal

Front 5

What does THD stand for?

Back 5

Total Harmonic Distortion

Front 6

What is the second order harmonic of 440hz?

Back 6

880hz

Front 7

Define Musical "Dynamic Range"

Back 7

The difference between the loudest and quietest passage of music in a performance.

Front 8

Define electronic "Dynamic Range"

Back 8

The difference between the max output level and noise floor

Front 9

Most amplifiers operate in two different modes, what are they?

Back 9

Dual channel Stereo
Bridge mono

Front 10

Nme 3 types of internal wiring for drivers in a speaker cabinet.

Back 10

Series
Parallel
series-parallel

Front 11

If I wire two 8 ohm drivers in series, what is my impedance?

Back 11

16 ohms

Front 12

If I wire two 8 ohm drivers in parallel, what is my impedance?

Back 12

4 ohms

Front 13

What are audio horns used for?

Back 13

Used to control the dispersion pattern of drvers.

Front 14

A microphone is a transducer. It converts __________ energy to __________ energy.

Back 14

Acoustical
Electrical

Front 15

Name the 5 most typical patterns for all microphones.

Back 15

Omnidirectional
Bidirectional
Cardioid
Supercardioid
Hypercardioid

Front 16

When using a cardioid vocal microphone, your monitor wedge should be oriented where in the relation to the mic?

Back 16

180 degrees off axis

Front 17

Many vocal microphones have a rise in their high frequency response. Why?

Back 17

Vocal Clarity

Front 18

Name two settings that a condenser microphone will often have on the mic.

Back 18

HPF
Pad

Front 19

Define the term "Transient Response"

Back 19

A mics ability to react quickly to changes in air pressure

Front 20

(True/False)
most professional microphones have an output impedance between 50 ohms and 200 ohms.

Back 20

True

Front 21

Define the term "Proximity Effect"

Back 21

Increase in bass response as a mic is moved closer to a sound source

Front 22

Name 3 microphone accessories often used in sound reinforcement.

Back 22

Shock mount
Wind Screen
Stereo Mounting bar

Front 23

Name 2 companies that manufacture touring splitter systems?

Back 23

Whirlwind
Ram Tech

Front 24

How many times can an analog splitter splt your input signal before causing signal degradation and impedance problems?

Back 24

3

Front 25

Name 4 types of audio signal splitting

Back 25

Parallel
Transformer Isolated
Active
Digital

Front 26

Name the 4 major components of an analog splitter system

Back 26

Subsnake
Main splitter rack
Multipin cables
Multipin XLR

Front 27

Name 3 companies that manufacture multipin connectors

Back 27

EDAC. whirlwind. Ram Tech

Front 28

On a touring splitter system, the consoes that is to provide phantom power to the microphones must be connected to which split?

Back 28

Parallel Split

Front 29

(True/False)
A digital splitter can split your audio signal an infinite number of times in theory

Back 29

True

Front 30

What types of digital splitter is used at FSL1?

Back 30

Whirlwind Esnake

Front 31

How many splits does FSL1 use from the digital splitter?

Back 31

8

Front 32

What is the name of the underlying network technology that allows the digital splitter at FSL1 to operate effectively?

Back 32

Cobranet

Front 33

Name two splitter related items often used in permanent install facilities.

Back 33

Floor Pocket
Wall plate

Front 34

What does the term "console frame" refer to?

Back 34

number of input channels

Front 35

A pad is used to ____________ signals that are to "hot" coming into the console.

Back 35

Attenuate

Front 36

Your preamplifier, or gain, is used to boost ______ level signals to ______ level signals.

Back 36

Mic
Line

Front 37

How many EQ filters do most professional consoles have on each channel?

Back 37

5

Front 38

Name 4 types of EQ filters found on most consoles.

Back 38

Parametric
Shelving
High pass
Low pass

Front 39

High Pass Filters are used to cut out unwanted ____ freuquency information.

Back 39

Low

Front 40

(True/False)
Aux Sends take copies of input channels and Matrix Sends take copies of output busses.

Back 40

True

Front 41

Define the term "Audio Subgroup"

Back 41

Post fader unity gain send

Front 42

Define the term "Aux Send"

Back 42

Pre of post fader variable send

Front 43

Name 3 practical uses for the matrix

Back 43

Delay stacks
recording feeds
ALD

Front 44

Why do we have an internal oscillator on our consoles?

Back 44

For component testing

Front 45

What does the term VCA stand for and how is it used

Back 45

Voltage Controlled Amplifier
Controls other input faders

Front 46

What does LCR stand for?

Back 46

Left Center Right

Front 47

What does a Mute Group do?

Back 47

Allows muting of as many channels as needed from 1 button on the console

Front 48

If an analog console is modular in it's design, what does that mean?

Back 48

Each input and output is it's own piece of hardware.