035/040
70.0
60.0
50.0
40.0
30.0
20.0
High
10.0
Low
0.0
63
125
052
70.0
60.0
50.0
40.0
30.0
20.0
High
10.0
Low
0.0
63
125
250
500
1000
Octave band center frequency(Hz)
250
500
1000
Octave band center frequency(Hz)
ΙΙΙ
93
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
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