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Microphones

QE7052 microphone using remote preamp (Figures/Tables “D”)

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 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

5

0

Relative dB

-5

-10

 

 

 

100

1000

10000

100000

Frequency Hz

053-469 RevC

SoundPro models SE and DL Data Addendum

Page 99
Image 99
3M BK4936, Version A: QE7052 manual QE7052 microphone using remote preamp Figures/Tables D