3M Version A: QE7052 Microphone User Manual


 
Page 247 Microphones
BK4936 microphone using random incidence corrector and windscreen (Figures/Tables “K”)
053-469 RevC
SoundPro models SE and DL Data Addendum
Table K.14 (Continued)
C Weighting, Fast Response, LEQ
630
Hz
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
14.1
13.2
12.7
12.4
11.9
11.4
11.1
10.9
10.6
10.3
9.8
9.3
8.6
7.3
5.7
3.8
14.1
13.3
12.8
12.3
11.8
11.2
11.1
10.8
10.6
10.3
9.7
9.4
8.5
7.2
5.7
3.7
14.1
13.2
12.8
12.2
11.9
11.3
11.0
10.7
10.5
10.1
9.7
9.3
8.5
7.1
5.3
3.1
14.0
13.2
12.7
12.2
11.7
11.2
11.0
10.6
10.3
10.1
9.9
8.5
8.3
8.3
8.3
8.3
14.1
13.0
12.5
12.1
12.0
11.4
10.0
12.3
12.3
12.3
15.3
15.3
15.3
18.3
18.3
18.3
13.4
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
23.2
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
33.2
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
C Weighting, Slow 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
-10 to 70
17.7
19.2
20.9
21.3
22.4
22.5
22.7
22.5
21.5
20.8
20.0
19.1
18.3
17.4
16.5
15.8
14.9
0 to 80
17.8
19.1
20.6
21.6
22.2
22.7
22.2
21.5
21.2
20.5
19.7
19.1
18.3
17.3
16.4
15.7
15.0
10 to 90
17.1
19.9
20.6
22.5
22.4
22.6
21.9
22.0
21.3
20.4
19.7
18.8
18.1
17.3
16.6
15.6
14.7
20 to 100
17.0
18.8
21.9
21.6
22.4
22.2
22.4
22.0
21.1
20.7
19.6
19.1
18.3
17.5
16.5
15.6
14.8
30 to 110
17.4
19.5
21.3
22.3
22.6
22.4
22.1
22.2
21.0
20.2
19.6
19.1
18.2
17.5
16.7
15.3
15.1
40 to 120
18.1
19.5
21.2
22.3
22.5
22.9
22.4
22.5
21.6
20.5
19.6
19.2
19.3
19.2
19.2
22.3
22.3
50 to 130
17.9
20.2
21.8
23.1
22.5
23.8
23.3
23.5
23.2
26.2
26.2
26.2
29.2
29.2
29.2
32.3
32.3
60 to 140
27.2
27.2
27.4
30.2
30.2
30.2
33.2
33.2
33.2
36.2
36.2
36.2
39.2
39.2
39.2
42.3
42.3
C Weighting, Slow Response, SPL
630
Hz
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
14.2
13.3
12.7
12.4
11.9
11.4
11.1
10.8
10.5
10.3
9.8
9.4
8.6
7.3
5.7
3.7
14.2
13.3
12.8
12.3
11.8
11.4
11.1
10.8
10.4
10.2
9.7
9.4
8.4
7.2
5.7
3.3
14.3
13.3
12.7
12.2
11.7
11.3
10.9
10.6
10.3
9.9
9.1
9.1
7.3
7.3
7.3
7.3
14.0
13.1
12.5
12.3
11.3
11.3
11.3
11.3
11.3
11.3
14.3
14.3
14.3
17.3
17.3
17.3
12.5
15.3
15.3
15.3
18.3
18.3
18.3
21.3
21.3
21.3
24.3
24.3
24.3
27.3
27.3
27.3
22.3
25.3
25.3
25.3
28.3
28.3
28.3
31.3
31.3
31.3
34.3
34.3
34.3
37.3
37.3
37.3
32.3
35.3
35.3
35.3
38.3
38.3
38.3
41.3
41.3
41.3
44.3
44.3
44.3
47.3
47.3
47.3
42.3
45.3
45.3
45.3
48.3
48.3
48.3
51.3
51.3
51.3
54.3
54.3
54.3
57.3
57.3
57.3