LG UM36 N24 - Page 28

7. Sound levels
28
MULTI/SINGLE Indoor unit
Ceiling concealed duct - Middle static pressure
ABNW60GM3A0 [UM60 N34]
Octave Band Sound Pressure Level (0 dB = 20 μPa)
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63 125 250 500 1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
High
▲Mid
Low