Microphones Ch. 6

Question 1

Microphones are _____ that convert acoustic energy into electric energy.

Answer 1

Transducers

Question 2

Impedance

Answer 2

Resistance to the flow of voltage in a circuit.

Question 3

Phantom power

Answer 3

A method of remotely powering an amplifier or impedance converter by sending voltage along the audio cable.

Question 4

Active ribbon microphones use an amplifier system, which requires ____

Answer 4

Phantom power

Question 5

Passive microphones

Answer 5

Don’t require phantom power.

Question 6

Condenser mics using the variable capacitance principle transduce energy use ______ instead of magnetic variations.

Answer 6

Voltage variations

Question 7

Transients

Answer 7

Sounds that begin with a quick attack and then quickly decay

Question 8

A microphone’s frequency response is ___

Answer 8

The range of frequencies it produces at an equal level, within a margin of ± 3dB.

Question 9

True or False

A Super Cardioid Microphone can pick up sound equally in all directions.

Answer 9

False

Question 10

True or False

Ribbon microphones need “Phantom” power to function.

Answer 10

False

Question 11

True or False

A Condenser microphone needs 48 volts of power to function and turn on.

Answer 11

True

Question 12

True or False

A Dynamic microphone can capture more high frequency information than a Condenser microphone.

Answer 12

False