Specifications

61
AMAC/A4AC 120C/CR NC CURVE
0
10
20
30
40
50
60
70
80
90
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound Pressure level (dB, ref 20µPa)
AMAC/A4AC 150C/CR NC CURVE
0
10
20
30
40
50
60
70
80
90
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound Pressure level (dB, ref 20µPa)
NC-70
NC- 65
NC -60
NC -55
NC -50
NC -45
NC -40
NC -70
NC- 65
NC -60
NC-55
NC- 50
NC -45
NC-40