Specifications

60
AMAC/A4AC80C/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 100C/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