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Self Generated Noise

1/3 Octave Band

Table A.34- Z Weighting, Slow Response and SPL

When using18 pF, 50 Ohm Termination

Z Weighting, Slow Response, SPL

 

12.5

16

20

25

31.5

40

50

63

80

100

125

160

200

250

315

400

500

630

800

Range

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

-10 to 70

25.4

24.2

24.0

23.6

21.7

21.8

20.0

19.4

18.7

17.4

16.5

15.8

14.6

13.6

12.9

11.6

10.9

10.1

9.3

0 to 80

26.5

25.5

24.6

23.1

22.6

21.2

20.2

19.2

18.1

17.5

16.3

15.5

14.8

13.8

12.6

11.7

11.0

10.2

9.1

10 to 90

26.1

24.7

24.2

22.9

22.6

21.8

20.0

19.4

18.3

17.6

16.8

15.6

14.5

13.7

12.6

11.6

10.9

10.2

9.1

20 to 100

25.4

25.1

24.0

22.9

22.0

21.3

20.8

18.8

18.5

17.1

16.2

15.2

14.5

13.8

12.6

11.4

10.8

10.0

8.4

30 to 110

26.1

25.1

23.6

24.1

22.3

21.1

20.4

19.5

18.5

16.9

16.1

15.1

14.3

13.4

12.3

12.3

12.3

12.3

15.3

40 to 120

25.3

25.0

24.7

22.7

22.5

21.2

19.7

19.0

18.3

16.6

16.3

16.3

19.2

19.2

19.2

22.3

22.3

22.3

25.3

50 to 130

26.0

24.6

24.3

23.8

22.3

21.1

23.2

23.2

23.2

26.2

26.2

26.2

29.2

29.2

29.2

32.3

32.3

32.3

35.3

60 to 140

28.2

27.5

27.4

30.2

30.2

30.2

33.2

33.2

33.2

36.2

36.2

36.2

39.2

39.2

39.2

42.3

42.3

42.3

45.3

Range

800

1000

1250

1600

2000

2500

3150

4000

5000

6300

8000

10

12.5

16

20

(dB)

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

Hz

kHz

kHz

kHz

kHz

-10 to 70

9.3

8.8

8.3

8.0

7.8

7.9

8.2

8.5

9.1

9.6

10.5

11.4

12.1

12.9

13.9

0 to 80

9.1

8.6

8.4

7.9

7.7

7.8

8.0

8.4

9.0

9.5

10.4

11.3

12.0

12.9

13.8

10 to 90

9.1

8.6

8.1

7.8

7.6

7.8

7.5

8.3

9.0

9.0

10.3

11.3

12.1

12.1

13.3

20 to 100

8.4

8.3

8.3

8.3

8.3

8.3

11.3

11.3

11.3

14.3

14.3

14.3

17.3

17.3

17.3

30 to 110

15.3

15.3

15.3

18.3

18.3

18.3

21.3

21.3

21.3

24.3

24.3

24.3

27.3

27.3

27.3

40 to 120

25.3

25.3

25.3

28.3

28.3

28.3

31.3

31.3

31.3

34.3

34.3

34.3

37.3

37.3

37.3

50 to 130

35.3

35.3

35.3

38.3

38.3

38.3

41.3

41.3

41.3

44.3

44.3

44.3

47.3

47.3

47.3

60 to 140

45.3

45.3

45.3

48.3

48.3

48.3

51.3

51.3

51.3

54.3

54.3

54.3

57.3

57.3

57.3

053-469 RevC

SoundPro models SE and DL Data Addendum

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Image 29
3M BK4936, Version A: QE7052 manual Table A.34- Z Weighting, Slow Response and SPL, Range 10 to