Specifications

59
NC-45
NC-35
AMAC/A4AC60C/CR NC CURVE
0
10
20
30
40
50
60
70
80
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound Pressure level (dB, ref 20µPa)
AMAC50C/CR,A4AC50C NC CURVE
0
10
20
30
40
50
60
70
80
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound Pressure level (dB, ref 20µPa)
NC -60
NC -55
NC -50
N C- 45
NC-40
NC -35
NC -30
NC- 60
NC- 55
NC -50
NC -45
NC -40
NC -35
NC -30