LG Multi V Art Cool ARNU093SFA4 Engineering Manual page 34

ART COOL MIRROR
Acoustic Data
Sound Pressure Levels
Figure 17: ARNU123SJR4, ARNU153SJR4, and ARNU183SKR4 Sound Pressure Level Diagrams.
ARNU123SJR4
80
75
70
65
60
55
50
45
40
35
30
25
20
Approximate
Hearing
15
Threshold
10
63 125 250 500 1000 2000 4000
Octave Band Center Frequency (Hz)
Figure 18: ARNU243SKR4 Sound Pressure Level Diagrams.
ARNU243SKR4
80
75
70
65
60
55
50
45
40
35
30
25
20
Approximate
Hearing
15
Threshold
10
63 125 250 500 1000 2000 4000
Octave Band Center Frequency (Hz)
34 | ART COOL
TM
ARNU153SJR4
80
High
Middle
75
Low
70
65
NC-65
60
NC-60
55
NC-55
50
NC-50
45
NC-45
40
NC-40
35
NC-35
30
NC-30
25
NC-25 20
Approximate
Hearing
NC-20
15
Threshold
NC-15
10
8000 63
High
Middle
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
8000
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High
Middle
Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
ARNU183SKR4
80
High
Middle
75
Low
70
65
60
55
50
45
40
35
30
25
20
Approximate
Hearing
15
Threshold
10
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequency (Hz)
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15