17
Sound Data
NC Curve
0
10
20
30
40
50
60
70
125
250
500
1000
2000
4000
8000
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20
μ
Pa)
NC-20
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
H
M
L
NC-30
FF(R)(Q)N25CXV1
NC-30
FF(R)(Q)N35CXV1
0
10
20
30
40
50
60
70
125
250
500
1000
2000
4000
8000
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20
μ
Pa)
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
H
M
L
DAIKIN_FFRN.indb 17
DAIKIN_FFRN.indb 17
12/27/2012 9:28:09 AM
12/27/2012 9:28:09 AM