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Page 16 Self Generated Noise
1/3 Octave Band
053-469 RevC
SoundPro models SE and DL Data Addendum
C-Weighting
Table A.28- Fast Response and SPL
When using 18 pF, 50 Ohm Termination
C Weighting, Fast Response, SPL
Range
(dB)
12.5
Hz
16
Hz
20
Hz
25
Hz
31.5
Hz
40
Hz
50
Hz
63
Hz
80
Hz
100
Hz
125
Hz
160
Hz
200
Hz
250
Hz
315
Hz
400
Hz
500
Hz
630
Hz
-10 to 70
14.5
14.8
17.1
18.3
17.8
18.4
19.1
17.9
17.7
16.8
16.2
15.9
14.1
13.2
12.7
11.3
10.6
9.6
0 to 80
13.0
16.4
16.3
15.7
18.7
18.8
18.9
19.4
17.4
15.5
16.3
15.4
14.4
13.8
12.5
11.9
11.0
9.8
10 to 90
14.2
15.0
18.0
17.9
19.3
19.0
18.8
17.0
17.4
17.0
15.8
14.9
14.8
13.1
12.6
11.6
10.7
10.3
20 to 100
13.6
16.0
17.9
19.2
19.2
19.4
18.5
19.2
17.8
16.8
16.3
15.3
14.3
14.0
12.5
11.9
10.6
10.5
30 to 110
12.8
17.2
19.5
17.7
18.4
18.7
19.7
18.5
17.2
17.2
16.2
15.3
14.6
13.7
11.8
11.7
10.8
9.7
40 to 120
16.2
16.8
18.5
20.8
20.0
18.5
19.4
18.2
17.1
17.0
16.7
15.0
14.5
13.2
12.9
13.2
13.3
13.2
50 to 130
16.4
24.2
20.6
21.0
21.2
20.0
20.7
20.4
18.5
18.4
17.6
17.3
20.2
20.2
20.2
23.2
23.2
23.2
60 to 140
21.6
34.4
25.4
30.4
25.4
25.2
24.8
25.3
24.3
27.2
27.2
27.2
30.2
30.2
30.2
33.2
33.2
33.2
90 to 170
61.0
59.5
58.7
61.7
61.7
61.7
64.7
64.7
64.7
67.7
67.7
67.7
70.7
70.7
70.7
73.8
73.8
73.8
Range
(dB)
800
Hz
1000
Hz
1250
Hz
1600
Hz
2000
Hz
2500
Hz
3150
Hz
4000
Hz
5000
Hz
6300
Hz
8000
Hz
10
kHz
12.5
kHz
16
kHz
20
kHz
-10 to 70
8.9
8.6
8.5
8.1
7.6
7.7
7.6
7.6
7.9
7.6
7.6
7.2
6.1
4.7
3.1
0 to 80
9.2
8.4
8.2
8.0
7.6
7.5
7.4
7.7
7.8
7.6
7.6
7.1
6.1
4.7
3.1
10 to 90
9.3
8.7
8.1
8.0
7.4
7.5
7.6
7.6
7.7
7.6
7.5
7.1
6.0
4.3
3.0
20 to 100
8.8
8.3
8.0
7.7
7.2
7.3
7.3
7.2
7.3
8.2
8.2
5.5
8.3
8.3
8.3
30 to 110
8.7
8.9
8.7
9.2
9.2
9.2
12.3
12.3
12.3
15.3
15.3
15.3
18.3
18.3
18.3
40 to 120
16.2
16.2
16.2
19.2
19.2
19.2
22.3
22.3
22.3
25.3
25.3
25.3
28.3
28.3
28.3
50 to 130
26.2
26.2
26.2
29.2
29.2
29.2
32.3
32.3
32.3
35.3
35.3
35.3
38.3
38.3
38.3
60 to 140
36.2
36.2
36.2
39.2
39.2
39.2
42.3
42.3
42.3
45.3
45.3
45.3
48.3
48.3
48.3
90 to 170
76.8
76.8
76.8
79.8
79.8
79.8
80.6
79.6
78.7
77.6
77.0
76.3
75.5
75.2
74.8