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BK4936 microphone using remote preamp (Figures/Tables “H”)
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Self Generated Noise
Table H.9-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