Audio Signal Levels Flashcards
1
Q
Name the four different audio signal levels
A
Mic, Instrument, Line, and Speaker level
2
Q
What is mic level voltage
A
1.5 millivolts and 70 millivolts; -50 dBu
3
Q
What is needed to boost mic level audio?
A
A pre-amp is needed to boost mic level to line level
4
Q
What is instrument level?
A
Similar to mic level audio and also needs a pre-amp to boost its signal to line level
5
Q
What is line level audio?
A
Line level audio flows through an audio system after the pre-amp and before the amp that powers the speakers
6
Q
What are the two different types of line level audio?
A
Consumer line level - 10 dBu and professional line level rated at +4 dBu
