Daikin FTXS-A Series, Technical Manual

Page: 15 / 39

11
Sound Data
NC Curve
0
10
20
30
40
50
60
70
80
125 250 500 1000 2000 4000 8000
S
ound
p
re
ss
ur
e
le
ve
l (
dB
, r
ef
20
µP
a)
Octave-band frequency (Hz)
FTXS25A
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
NC-65
NC-60
NC-70
Q
0
10
20
30
40
50
60
70
80
125 250 500 1000 2000 4000 8000
S
ou
nd
p
re
ss
ur
e
le
vel
(d
B
, r
ef
2
0µP
a)
Octave-band frequency (Hz)
FTXS35A
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
NC-65
NC-60
NC-70
Q