3M Version A: QE7052 Microphone User Manual


 
Page 99 Microphones
QE7052 microphone using remote preamp (Figures/Tables “D”)
053-469 RevC
SoundPro models SE and DL Data Addendum
Self Generated Noise
Table D.9- Broadband
SPL
LEQ
Fast Response
Range
(dB)
A Weighting
C Weighting
Z
Weighting
A
Weighting
C
Weighting
Z
Weighting
-20 to 70
22.4
30.8
37.8
22.4
30.8
37.9
-10 to 80
22.4
30.6
37.8
22.3
30.7
38.4
0 to 90
22.3
30.2
37.3
22.3
30.5
38.3
10 to 100
22.4
30.5
37.9
22.4
30.6
37.9
20 to 110
23.0
30.5
38.3
23.0
30.7
37.9
30 to 120
26.7
31.3
39.0
26.6
31.4
38.3
40 to 130
34.2
35.3
39.8
34.2
35.3
39.4
50 to 140
43.0
43.0
43.6
43.1
43.0
43.6
Slow Response
Range(dB)
A Weighting
C Weighting
Z
Weighting
A
Weighting
C
Weighting
Z
Weighting
-20 to 70
22.4
30.7
38.7
22.4
30.7
38.6
-10 to 80
22.3
30.5
38.3
22.3
30.5
38.5
0 to 90
22.3
30.7
38.6
22.3
30.6
38.3
10 to 100
22.4
30.7
38.3
22.4
30.6
38.5
20 to 110
23.0
30.6
38.3
23.0
30.7
38.4
30 to 120
26.7
31.5
38.4
26.7
31.5
38.5
40 to 130
34.2
35.3
39.6
34.2
35.3
39.6
50 to 140
43.1
43.0
43.5
43.1
43.0
43.5
Table D.10 - 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
-16.7
-7.3
3.6
10.0
14.6
17.6
18.9
18.6
18.4
17.3
14.0
0 to 80
-16.9
-6.2
3.4
10.4
14.6
17.5
18.8
18.8
18.3
17.1
13.8
10 to 90
-13.3
-7.3
3.7
10.7
14.8
17.4
18.7
18.7
18.2
17.1
13.8
20 to 100
-5.9
-4.2
3.3
10.4
14.9
17.8
18.7
18.6
18.2
17.0
14.0
30 to 110
4.2
1.3
4.5
9.9
14.8
17.3
18.6
18.2
18.7
19.3
19.3
40 to 120
13.0
9.1
9.2
11.3
14.5
17.2
20.2
23.3
26.3
29.3
29.3
50 to 130
24.6
20.5
18.3
21.2
24.2
27.2
30.2
33.3
36.3
39.3
39.3
60 to 140
34.8
30.2
28.2
31.2
34.2
37.2
40.2
43.3
46.3
49.3
49.3
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
-6.9
3.3
10.1
14.9
17.7
18.8
18.8
18.4
17.3
14.0
0 to 80
-16.7
-6.1
3.6
10.2
14.8
17.5
18.7
18.6
18.3
17.1
13.9
10 to 90
-14.1
-6.4
3.5
10.2
14.7
17.5
18.7
18.6
18.2
17.1
13.8
20 to 100
-6.0
-4.9
3.4
10.3
14.8
17.5
18.7
18.6
18.2
17.0
14.0
30 to 110
3.6
0.4
4.7
10.5
14.6
17.3
18.6
18.2
18.9
19.3
19.3
40 to 120
14.3
10.3
8.8
11.6
14.7
17.3
20.2
23.3
26.3
29.3
29.3
50 to 130
24.4
20.2
18.3
21.2
24.2
27.2
30.2
33.3
36.3
39.3
39.3
60 to 140
33.9
30.1
28.3
31.2
34.2
37.2
40.2
43.3
46.3
49.3
49.3