Final Flashcards
1
Q
Balanced
A
Low impedence, mics 300 ft, three connectors
2
Q
Unbalanced
A
High impedence, instruments, 25 ft, two connectors.
3
Q
Wavelength
A
Distance between the cycles of the wave
4
Q
Frequency
A
Pitch, hz
5
Q
Amplitude
A
Db, rel. volume
6
Q
Lowest pitch (for human ear)
A
20 Hz
7
Q
Highest pitch (for human ear)
A
20 kHz
8
Q
Long wavelengths? Short wavelengths?
A
Long - low
Short - high
9
Q
Sound
A
Vibrating air
10
Q
Direct box
A
Unbalanced —> balanced
11
Q
Transducer
A
Converts one type of energy into another type of energy (Microphone: acoustic —> electric)
(Speaker: electric —> acoustic)
12
Q
Approximity effect
A
Low sounds in a mic —> cut lows out to “fix it”, but holding the mic closer.
13
Q
Condenser mics require?
A
Phantom power (48 v) - choir mics, drum mics - runs through xlr cable.
Remember: shure sm58
