25
Sound Data MWM-J-2009
MWM009J/JR
NC CURVES
0
10
20
30
40
50
60
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level (dB,ref20µPa)
High Fan
NC-30
NC-35
NC-40
NC-45
Low Fan
Medium Fan
NC-25
NC-20
S.Low Fan
M5WM010J/JR
NC CURVES
0
10
20
30
40
50
60
125 250 500 1000 2000 4000 8000
Octave-band frequency (Hz)
Sound pressure level (dB,ref20µPa)
High Fan
NC-30
NC-35
NC-40
NC-45
Low Fan
Medium Fan
NC-25
NC-20
S.Low Fan
Catalog.indb 25Catalog.indb 25 3/2/2009 4:41:14 PM3/2/2009 4:41:14 PM