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Page 162 Microphones
BK4936 microphone with windscreen (Figures/Tables “G”)
053-469 RevC
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Self Generated Noise
Table G.14- Broadband
SPL
LEQ
Fast Response
Range
(dB)
A Weighting
C Weighting
Z Weighting
A Weighting
C Weighting
Z Weighting
-20 to 70
22.9
30.1
37.4
22.8
30.1
37.0
-10 to 80
22.8
29.8
37.1
22.8
30.3
37.2
0 to 90
22.8
30.2
36.6
22.8
30.2
37.3
10 to 100
22.8
30.0
36.6
22.8
30.2
37.6
20 to 110
23.3
30.3
36.5
23.3
30.5
37.5
30 to 120
26.2
31.4
36.8
26.2
31.1
37.1
40 to 130
33.3
34.4
38.2
33.4
34.6
38.9
50 to 140
42.1
42.1
43.1
42.1
42.2
42.8
Slow Response
Range
(dB)
A Weighting
C Weighting
Z Weighting
A Weighting
C Weighting
Z Weighting
-20 to 70
22.8
30.3
37.4
22.8
30.3
37.7
-10 to 80
22.8
30.3
37.4
22.7
30.3
37.7
0 to 90
22.8
30.2
37.5
22.8
30.2
37.5
10 to 100
22.8
30.2
37.9
22.7
30.2
37.6
20 to 110
23.3
30.2
37.5
23.3
30.3
37.3
30 to 120
26.2
31.0
37.6
26.2
31.0
37.9
40 to 130
33.4
34.6
38.6
33.4
34.6
38.5
50 to 140
42.2
42.1
43.0
42.2
42.1
42.9
Table G.15 – Octave Band
A Weighting, Fast Response, SPL
Range
(dB)
16 Hz
31.5 Hz
63 Hz
125 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
16 kHz
-10 to 70
-16.9
-6.8
3.5
10.1
14.6
17.7
19.4
19.5
19.0
17.6
13.9
0 to 80
-16.9
-6.7
3.6
9.7
15.0
17.9
19.4
19.5
18.9
17.5
13.8
10 to 90
-15.1
-7.7
3.7
10.2
14.9
18.0
19.3
19.4
18.9
17.5
13.7
20 to 100
-6.6
-4.5
3.1
10.4
15.0
17.7
19.3
19.3
18.8
17.3
14.2
30 to 110
3.6
-0.1
3.5
10.0
15.1
17.8
19.1
19.1
18.3
18.3
18.3
40 to 120
12.8
10.7
7.5
10.7
14.9
16.8
19.3
22.3
25.3
28.3
28.3
50 to 130
23.6
19.3
17.2
20.2
23.2
26.2
29.2
32.3
35.3
38.3
38.3
60 to 140
33.4
28.8
27.6
30.2
33.2
36.2
39.2
42.3
45.3
48.3
48.3
A Weighting, Fast Response, LEQ
Range
(dB)
16 Hz
31.5 Hz
63 Hz
125 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
16 kHz
-10 to 70
-16.9
-7.1
3.2
9.9
15.1
18.0
19.4
19.5
19.1
17.6
13.9
0 to 80
-16.8
-7.0
3.4
10.0
14.9
18.0
19.4
19.5
18.9
17.6
13.8
10 to 90
-15.0
-6.6
3.0
9.8
14.8
17.8
19.3
19.4
18.9
17.5
13.8
20 to 100
-6.9
-5.9
3.0
9.8
14.8
17.8
19.2
19.3
18.9
17.3
14.2
30 to 110
3.1
0.0
4.1
10.1
14.8
17.7
19.2
19.2
18.3
18.3
18.3
40 to 120
12.6
9.3
8.0
11.1
15.3
16.9
19.3
22.3
25.3
28.3
28.3
50 to 130
22.9
18.5
17.4
20.2
23.2
26.2
29.2
32.3
35.3
38.3
38.3
60 to 140
33.5
28.7
27.3
30.2
33.2
36.2
39.2
42.3
45.3
48.3
48.3