Page 179

Microphones

BK4936 microphone using remote preamp (Figures/Tables “H”)

Self Generated Noise

Table H.9-Broadband

 

 

 

SPL

 

 

 

LEQ

 

 

 

 

 

Fast Response

 

 

 

 

 

 

 

 

 

 

 

Range

 

 

 

 

 

 

 

 

(dB)

A Weighting

C Weighting

Z Weighting

A Weighting

C Weighting

Z Weighting

 

-20 to 70

22.9

30.1

37.4

 

22.8

30.1

37.0

 

-10 to 80

22.8

29.8

37.1

 

22.8

30.3

37.2

 

0 to 90

22.8

30.2

36.6

 

22.8

30.2

37.3

 

10 to

 

 

 

 

 

 

 

 

100

22.8

30.0

36.6

 

22.8

30.2

37.6

 

20 to

 

 

 

 

 

 

 

 

110

23.3

30.3

36.5

 

23.3

30.5

37.5

 

30 to

 

 

 

 

 

 

 

 

120

26.2

31.4

36.8

 

26.2

31.1

37.1

 

40 to

 

 

 

 

 

 

 

 

130

33.3

34.4

38.2

 

33.4

34.6

38.9

 

50 to

 

 

 

 

 

 

 

 

140

42.1

42.1

43.1

 

42.1

42.2

42.8

 

 

 

 

Slow Response

 

 

 

 

 

 

 

 

 

 

 

Range

 

 

 

 

 

 

 

 

(dB)

A Weighting

C Weighting

Z Weighting

A Weighting

C Weighting

Z Weighting

 

-20 to

 

 

 

 

 

 

 

 

70

22.8

30.3

37.4

 

22.8

30.3

37.7

 

-10 to

 

 

 

 

 

 

 

 

80

22.8

30.3

37.4

 

22.7

30.3

37.7

 

0 to 90

22.8

30.2

37.5

 

22.8

30.2

37.5

 

10 to

 

 

 

 

 

 

 

 

100

22.8

30.2

37.9

 

22.7

30.2

37.6

 

20 to

 

 

 

 

 

 

 

 

110

23.3

30.2

37.5

 

23.3

30.3

37.3

 

30 to

 

 

 

 

 

 

 

 

120

26.2

31.0

37.6

 

26.2

31.0

37.9

 

40 to

 

 

 

 

 

 

 

 

130

33.4

34.6

38.6

 

33.4

34.6

38.5

 

50 to

 

 

 

 

 

 

 

 

140

42.2

42.1

43.0

 

42.2

42.1

42.9

053-469 RevC

SoundPro models SE and DL Data Addendum

Page 186
Image 186
3M Version A: QE7052, BK4936 manual Table H.9-Broadband