23
Sound Data MWM-J_(ii)
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
Medium Fan
Low Fan
NC-20
NC-30
NC-
NC-40
NC-25
NC-35
S.Low Fan
Part Number : 0363103C15
0
10
20
30
40
50
60
125 250 500 1000 2000 4000 8000
High Fan
NC-30
NC-35
NC-40
NC-45
Low Fan
Medium Fan
NC-25
NC-20
S.Low Fan
Octave-band frequency (Hz)
Sound pressure level (dB,ref20μPa)
Part Number : 0353103C20
MWM15J/JR, M5WM15J/JR
MWM20J/JR, M5WM20J/JR