3M BK4936 Microphone User Manual


 
Page 92 Microphones
QE7052 microphone using remote preamp (Figures/Tables “D”)
053-469 RevC
SoundPro models SE and DL Data Addendum
Z Weighting, Slow Response, LEQ
500
Hz
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
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
14.5
13.5
12.6
12.1
11.4
10.9
10.4
10.3
10.3
10.4
10.8
11.2
12.0
12.7
13.3
14.1
15.0
14.3
13.4
12.5
11.9
11.3
10.8
10.4
10.3
10.2
10.4
10.7
11.0
11.8
12.6
13.2
14.1
14.9
14.5
13.6
12.5
11.9
11.3
10.7
10.2
10.1
10.0
10.1
10.7
11.1
11.3
12.3
13.1
14.3
14.3
14.2
13.4
12.3
11.4
11.0
9.3
9.3
9.3
12.3
12.3
12.3
15.3
15.3
15.3
18.3
18.3
18.3
13.3
13.3
16.3
16.3
16.3
19.3
19.3
19.3
22.3
22.3
22.3
25.3
25.3
25.3
28.3
28.3
28.3
23.3
23.3
26.3
26.3
26.3
29.3
29.3
29.3
32.3
32.3
32.3
35.3
35.3
35.3
38.3
38.3
38.3
33.3
33.3
36.3
36.3
36.3
39.3
39.3
39.3
42.3
42.3
42.3
45.3
45.3
45.3
48.3
48.3
48.3
43.3
43.3
46.3
46.3
46.3
49.3
49.3
49.3
52.3
52.3
52.3
55.3
55.3
55.3
58.3
58.3
58.3
QE7052 microphone using remote preamp (Figures/Tables “D”)
Tolerance: IEC 61672 class 2
Directional frequency response using remote preamp with z-weighting
Figure D.1 - 0-30 degree incidence angles
-10
-5
0
5
100 1000 10000 100000
Frequency Hz
Relative dB