(6) Wall-mounted type
020
70.0
60.0
50.0
40.0
30.0
20.0
High
10.0
Low
0.0
63
125
032
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
65
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