Question 1

If you wire two 8-ohm speakers in parallel to an amplifier output, the amplifier "sees" ________.

Accepted Answer

A)  8 ohms. 
B)  2 ohms. 
C)  4 ohms. 
D)  16 ohms. 
A)  8 ohms. 
B)  2 ohms. 
C)  4 ohms. 
D)  16 ohms. B

Question 2

A bridging load impedance is _______________.

Accepted Answer

A)  slightly higher than the source impedance. 
B)  much higher than the source impedance. 
C)  much lower than the source impedance. 
D)  equal to the source impedance. 
A)  slightly higher than the source impedance. 
B)  much higher than the source impedance. 
C)  much lower than the source impedance. 
D)  equal to the source impedance. D

Question 3

To match a high-impedance electrical guitar to a low-impedance mic input, use _____________.

Accepted Answer

A)  an adapter cable. 
B)  a resistor in-line with the signal. 
C)  a guitar amp emulator. 
D)  a direct box. 
A)  an adapter cable. 
B)  a resistor in-line with the signal. 
C)  a guitar amp emulator. 
D)  a direct box. B

Question 4

Connecting a high-Z source to a low-Z load results in ______________.

Accepted Answer

A)  signal gain or altered resistance. 
B)  no change in the signal. 
C)  distortion or altered frequency response. 
D)  noise or hum. 
A)  signal gain or altered resistance. 
B)  no change in the signal. 
C)  distortion or altered frequency response. 
D)  noise or hum.

Question 5

What happens if you connect two or more signal sources to one input?

Accepted Answer

A)  Nothing; that is normal. 
B)  Double the signal level. 
C)  Level loss and distortion. 
D)  An impedance-matching connection. 
A)  Nothing; that is normal. 
B)  Double the signal level. 
C)  Level loss and distortion. 
D)  An impedance-matching connection.

Question 6

Bridging connections result in _____________.

Accepted Answer

A)  the most voltage transferred between components. 
B)  the most current transferred between components. 
C)  the least hum and noise. 
D)  the most reliable connections. 
A)  the most voltage transferred between components. 
B)  the most current transferred between components. 
C)  the least hum and noise. 
D)  the most reliable connections.

Question 7

Impedance is measured in __________.

Accepted Answer

A)  amperes. 
B)  ohms. 
C)  oersteds. 
D)  volts. 
A)  amperes. 
B)  ohms. 
C)  oersteds. 
D)  volts.

Question 8

Impedance is ______________.

Accepted Answer

A)  the amount of electrical friction in a wire. 
B)  a meaningless audio term. 
C)  a measure of sound insulation. 
D)  the resistance of a circuit to alternating current, such as an audio signal. 
A)  the amount of electrical friction in a wire. 
B)  a meaningless audio term. 
C)  a measure of sound insulation. 
D)  the resistance of a circuit to alternating current, such as an audio signal.

Question 9

A low-Z mic can be used with how many feet of cable?

Accepted Answer

A)  no limit 
B)  hundreds 
C)  dozens 
D)  less than 15 
A)  no limit 
B)  hundreds 
C)  dozens 
D)  less than 15

Question 10

To connect a phantom-powered mic with an XLR connector to a mixer with a phone-jack input, use __________.

Accepted Answer

A)  a direct box. 
B)  a phantom power supply and an XLR-to-phone adapter. 
C)  another mixer. 
D)  a Y-cable. 
A)  a direct box. 
B)  a phantom power supply and an XLR-to-phone adapter. 
C)  another mixer. 
D)  a Y-cable.

Question 11

Microphones and line outputs are usually ___________.

Accepted Answer

A)  Low-Z. 
B)  High-Z. 
C)  Medium-Z. 
D)  matched in impedance. 
A)  Low-Z. 
B)  High-Z. 
C)  Medium-Z. 
D)  matched in impedance.

If you wire two 8-ohm speakers in parallel to an amplifier output, the amplifier "sees" ________.

A bridging load impedance is _______________.

To match a high-impedance electrical guitar to a low-impedance mic input, use _____________.

Connecting a high-Z source to a low-Z load results in ______________.

What happens if you connect two or more signal sources to one input?

Bridging connections result in _____________.

Impedance is measured in __________.

Impedance is ______________.

A low-Z mic can be used with how many feet of cable?

To connect a phantom-powered mic with an XLR connector to a mixer with a phone-jack input, use __________.

Microphones and line outputs are usually ___________.

The Recording Process

Sound and Psychoacoustics

Studio Acoustics; Signal Characteristics of Audio Devices

Equipping Your Studio

Monitoring

Microphones

Mic Technique Basics

Microphone Techniques

Equalisation

Effects and Signal Processors

Mixers

Digital Audio

Computer Recording

Daw Operation

Judging Sound Quality

Midi and Loops

Session Procedures

Mastering and Cd Burning

On-Location Recording of Popular Music

On-Location Recording of Classical Music

Web Audio, Streaming and Online Collaboration

Appendix A: DB or Not DB

Appendix B: Optimizing Your Computer for Multitrack Recording

Appendix D: Phantom Power; Legacy Recording Devices, AUDIO GLOSARRY

Filters

Exam 24: Appendix C: Impedance

If you wire two 8-ohm speakers in parallel to an amplifier output, the amplifier "sees" ________.

A bridging load impedance is _______________.

To match a high-impedance electrical guitar to a low-impedance mic input, use _____________.

Connecting a high-Z source to a low-Z load results in ______________.

What happens if you connect two or more signal sources to one input?

Bridging connections result in _____________.

Impedance is measured in __________.

Impedance is ______________.

A low-Z mic can be used with how many feet of cable?

To connect a phantom-powered mic with an XLR connector to a mixer with a phone-jack input, use __________.

Microphones and line outputs are usually ___________.

The Recording Process

Sound and Psychoacoustics

Studio Acoustics; Signal Characteristics of Audio Devices

Equipping Your Studio

Monitoring

Microphones

Mic Technique Basics

Microphone Techniques

Equalisation

Effects and Signal Processors

Mixers

Digital Audio

Computer Recording

Daw Operation

Judging Sound Quality

Midi and Loops

Session Procedures

Mastering and Cd Burning

On-Location Recording of Popular Music

On-Location Recording of Classical Music

Web Audio, Streaming and Online Collaboration

Appendix A: DB or Not DB

Appendix B: Optimizing Your Computer for Multitrack Recording

Appendix D: Phantom Power; Legacy Recording Devices, AUDIO GLOSARRY

Filters