Acson international A5DB-H Series, Техническое руководство, Страница: 25 / 94

23
0
10
20
30
40
50
60
70
125 250 500 1000 2000 4000 8000
A5DB600H4
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20
μPa)
NC-20
NC-30
NC-25
NC-35
NC-40
NC-45
NC-50
NC-55
H
0
10
20
30
40
50
60
70
80
90
125 250 500 1000 2000 4000 8000
Octave-band Frequency (Hz)
So
und
P
re
ss
ur
e
Le
ve
l (
dB
, r
ef
2
0
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
H
NC-65
NC-60
NC-55
NC-70
A5DB750H5