Page 71

Microphones

QE7052 microphone with windscreen (Figures/Tables “C”)

Z Weighting, Slow Response, LEQ

500

630

800

1000

1250

1600

2000

2500

3150

4000

5000

6300

8000

10

12.5

16

20

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

kHz

kHz

kHz

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 with windscreen (Figures/Tables “C”)

Tolerance: IEC 61672 class 2

Directional frequency response using side toward speaker

Figure C.1- 0-30 degree incidence angles

5

0

Relative dB

-5

-10

 

 

 

100

1000

10000

100000

Frequency Hz

053-469 RevC

SoundPro models SE and DL Data Addendum

Page 78
Image 78
3M Version A: QE7052, BK4936 manual QE7052 microphone with windscreen Figures/Tables C