Page 242

Microphones

BK4936 microphone using random incidence corrector and windscreen (Figures/Tables “K”)

Table K.13- (Continued)

C 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

24.9

27.6

28.1

25.7

23.4

21.3

19.2

18.1

17.1

15.6

11.8

0 to 80

24.9

28.0

27.6

24.9

23.0

21.0

19.3

18.0

16.9

15.4

11.8

10 to 90

24.3

27.7

27.1

25.9

23.3

21.0

19.3

18.0

17.0

15.4

11.6

20 to 100

22.6

27.4

27.9

25.3

23.1

21.1

19.3

17.9

16.9

15.3

11.3

30 to 110

25.6

27.5

26.5

25.8

23.5

21.2

19.2

17.8

15.4

18.3

18.3

40 to 120

26.8

28.1

27.8

26.1

23.4

20.9

19.2

22.3

25.3

28.3

28.3

50 to 130

26.8

28.0

28.0

26.3

23.3

26.2

29.2

32.3

35.3

38.3

38.3

60 to 140

34.0

31.9

29.1

30.2

33.2

36.2

39.2

42.3

45.3

48.3

48.3

 

 

 

 

C 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

24.9

27.9

27.5

25.6

23.6

21.2

19.4

18.0

17.1

15.6

11.8

0 to 80

24.6

28.0

27.4

25.6

23.4

21.1

19.2

18.0

16.9

15.4

11.7

10 to 90

24.9

27.9

27.3

25.5

23.4

21.2

19.3

17.9

16.9

15.4

11.7

20 to 100

25.4

28.2

27.2

25.7

23.4

21.1

19.3

17.9

16.9

15.3

11.3

30 to 110

24.7

28.3

27.6

26.1

23.6

21.0

19.0

17.6

15.4

18.3

18.3

40 to 120

25.5

28.2

27.9

25.8

23.2

20.9

19.3

22.3

25.3

28.3

28.3

50 to 130

27.8

28.4

27.9

26.2

23.4

26.2

29.2

32.3

35.3

38.3

38.3

60 to 140

33.7

31.8

29.8

30.2

33.2

36.2

39.2

42.3

45.3

48.3

48.3

 

 

 

 

C Weighting, Slow 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

25.2

27.9

27.8

25.8

23.6

21.2

19.4

18.0

17.1

15.5

11.8

0 to 80

24.9

27.8

27.5

25.6

23.4

21.1

19.3

17.9

17.0

15.4

11.6

10 to 90

25.0

27.9

27.7

25.5

23.4

21.1

19.3

17.9

16.8

15.1

12.0

20 to 100

25.4

27.9

27.7

25.8

23.3

21.0

19.2

17.3

17.3

17.3

17.3

30 to 110

25.4

27.6

27.6

25.5

23.1

20.9

18.3

21.3

24.3

27.3

27.3

40 to 120

25.4

28.4

27.6

25.6

22.3

25.3

28.3

31.3

34.3

37.3

37.3

50 to 130

27.0

28.6

28.0

29.2

32.3

35.3

38.3

41.3

44.3

47.3

47.3

60 to 140

33.9

33.3

36.2

39.2

42.3

45.3

48.3

51.3

54.3

57.3

57.3

 

 

 

 

C Weighting, Slow 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

25.0

27.9

27.6

25.8

23.5

21.2

19.4

18.0

17.1

15.5

11.8

0 to 80

25.1

28.1

27.5

25.9

23.4

21.2

19.2

18.0

17.0

15.4

11.6

10 to 90

25.2

27.9

27.6

25.7

23.4

21.1

19.3

17.9

16.8

15.1

12.1

20 to 100

25.2

27.8

27.4

25.6

23.3

21.1

19.2

17.3

17.3

17.3

17.3

30 to 110

25.3

27.3

27.4

25.7

23.2

21.1

18.3

21.3

24.3

27.3

27.3

40 to 120

25.2

27.8

27.7

25.7

22.3

25.3

28.3

31.3

34.3

37.3

37.3

50 to 130

26.9

28.8

28.1

29.2

32.3

35.3

38.3

41.3

44.3

47.3

47.3

60 to 140

33.3

33.2

36.2

39.2

42.3

45.3

48.3

51.3

54.3

57.3

57.3

053-469 RevC

SoundPro models SE and DL Data Addendum

Page 249
Image 249
3M BK4936, Version A: QE7052 manual Table K.13