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8 Sound Levels
8.1 Overall
Figure 8.1: Wall mounted sound pressure level measurement
8.2 Octave Band Levels
Figure 8.2: SDV5-22-28HA octave band levels
80
70
60
50
SSH
40
SH
H
M
L
30
SL
SSL
20
10
0
63
125
Octave band center frequency (Hz)
Table 8.1: Wall mounted sound pressure levels
Model name
SDV5-22HA
SDV5-28HA
SDV5-36HA
SDV5-45HA
SDV5-56HA
SDV5-71HA
SDV5-80HA
SDV5-90HA
Notes:
1.
Sound pressure levels are measured in a semi-anechoic chamber.
During in-situ operation, sound pressure levels may be higher as a
result of ambient noise.
250
500
1000 2000 4000 8000
1
Sound pressure levels dB(A)
SSH
SH
H
M
L
31
30
30
30
29
31
30
30
30
29
33
32
32
31
31
35
34
33
33
32
38
37
36
36
35
44
43
42
39
38
44
43
42
39
38
48
46
45
43
41
Figure 8.3: SDV5-36HA octave band levels
80
70
NC65
60
NC60
NC55
50
NC50
SSH
NC45
40
SH
H
NC40
M
L
NC35
30
SL
SSL
NC30
NC25
20
NC20
NC15
10
0
63
SL
SSL
29
29
29
29
30
30
31
31
34
34
37
36
37
36
40
38
125
250
500
1000 2000 4000 8000
Octave band center frequency (Hz)
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
21
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