Acson AWM Series - Page 46

42
Sound Data
ACK30EW
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20µPa)
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
H
M
L
ACK40EW
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20µPa)
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
H
M
L