LG MULTI V ARNU07GTUA4 Engineering Product Data Book page 125

Indoor unit
9. Sound Levels
ARNU24GTM*4
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1000
Octave Band Center Frequency (Hz)
16 _
Ceiling Cassette 4-way(2)
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
2000 4000 8000