22
MWM-J_(ii)
Sound Data
0
10
20
30
40
50
60
125
250
500
1000
2000
4000
8000
Octave-band frequency (Hz)
S
o
u
n
d
p
ressu
re l
evel
(
d
B,
ref
20μ
P
a)
High Fan
NC-30
NC-35
NC-40
NC-45
Low Fan
Medium Fan
NC-25
NC-20
S.Low Fan
Part Number : 0313103C09
0
10
20
30
40
50
60
125
250
500
1000
2000
4000
8000
Octave-band frequency (Hz)
Sound pressure level (dB,ref20μ
Pa)
High Fan
NC-30
NC-35
NC-40
NC-45
Low Fan
Medium Fan
NC-25
NC-20
S.Low Fan
Part Number : 0353103C10
NC Curve
MWM09J/JR
M5WM10J/JR