4
Sound level
4-2. NC curves
5) AM160FXVAGH ✴✴✴ , AM160FXVAGR ✴✴✴
75
65
55
45
35
25
63
125
250
Octave band center frequency(Hz)
7) AM200FXVAGH ✴✴✴ , AM200FXVAGR ✴✴✴
75
65
55
45
35
25
63
125
250
Octave band center frequency(Hz)
42
500
1000
2000
4000
8000
500
1000
2000
4000
8000
6) AM180FXVAGH ✴✴✴ , AM180FXVAGR ✴✴✴
75
65
NC 65
NC 60
55
NC 55
NC 50
45
NC 45
NC 40
35
NC 35
NC 30
25
63
125
Octave band center frequency(Hz)
8) AM220FXVAGH ✴✴✴ , AM220FXVAGR ✴✴✴
75
65
NC 65
NC 60
55
NC 55
NC 50
45
NC 45
NC 40
35
NC 35
NC 30
25
63
125
Octave band center frequency(Hz)
250
500
1000
2000
4000
8000
250
500
1000
2000
4000
8000
NC 65
NC 60
NC 55
NC 50
NC 45
NC 40
NC 35
NC 30
NC 65
NC 60
NC 55
NC 50
NC 45
NC 40
NC 35
NC 30