45
Sound Data
125 250 500 1000 2000 4000 8000
Sound pressure level (dB, ref 20µPa)
Octave-band frequency (Hz)
ACM30EW
H
M
L
0
10
20
30
40
50
60
70
80
125 250 500 1000 2000 4000 8000
Sound pressure level (dB, ref 20µPa)
Octave-band frequency (Hz)
ACM40EW
H
M
L
0
10
20
30
40
50
60
70
80