Deck 25: Appendix D: Phantom Power; Legacy Recording Devices, AUDIO GLOSARRY

Question 1

Phantom power is ____________.

A) very low power hidden behind the usual 110 volts AC.
B) damaging and should be avoided.
C) electrical power that is sent to a condenser mic through its mic cable.
D) electrical power that is sent to a condenser mic through a separate wire.

Answer 1

C

Question 2

These devices can supply phantom power ______________.

A) a mixing console with phantom power built in.
B) a stand-alone phantom power supply.
C) a mic preamp with phantom power built in.
D) all of the above.

Answer 2

A

Question 3

Phantom power is typically ____________.

A) 12-48 volts DC.
B) 110-120 volts DC.
C) 600 ohms.
D) 9 volts DC.

Answer 3

C

Question 4

If you plug a mic into an input with phantom power switched on, what happens?

A) the microphone is damaged.
B) a high-pitched squeal.
C) a loud pop.
D) nothing.

Question 5

DC bias uses ____________ to get power to the microphone.

A) a balanced mic cable.
B) a transformer.
C) a bipolar battery arrangement.
D) a separate power wire.

Question 6

Decibels referenced to 0.775 volt are called __________.

A) dBu
B) dB/.775V
C) dBV
D) dBm

Question 7

Microphone sensitivity is measured in _____________.

A) mV/Pa
B) microvolts per millibar
C) volts per dB
D) SPL per millivolt