Samsung Electronics DVM Series Technical Manual page 123

ΙΙΙ
. Indoor unit
8. Noise level
(5) Duct type (High pressure)
105
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
63
128
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
63
High
Low
125 250 500
Octave band center frequency(Hz)
High
Low
125 250 500
Octave band center frequency(Hz)
ΙΙΙ
1000 2000 4000
1000 2000 4000
64
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
8000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
8000