Hz

-

dB

dB

Hz

-

dB

dB

20

1.74

–69.9

–50.5

630

3.16

+0.6

–1.9

25

1.86

–60.4

–44.7

800

3.23

+0.5

–0.8

31.5

1.98

–51.4

–39.4

1000

3.30

0.0

0

40

2.12

–43.3

–34.6

1250

3.31

–0.1

+0.6

50

2.26

–36.6

–30.2

1600

3.31

+0.5

+1.0

63

2.41

–30.3

–26.2

2000

3.27

+1.5

+1.2

80

2.53

–24.3

–22.5

2500

3.24

+3.6

+1.3

100

2.61

–19.5

–19.1

3150

3.22

+5.9

+1.2

125

2.70

–14.8

–16.1

4000

3.22

+6.5

+1.0

160

2.77

–10.7

–13.4

5000

3.23

+4.2

+0.5

200

2.82

–7.5

–10.9

6300

3.21

–2.6

–0.1

250

2.88

–4.8

–8.6

8000

3.10

–10.2

–1.1

315

2.94

–2.6

–6.6

10000

3.01

–10.0

–2.5

400

3.02

–0.8

–4.8

12500

2.95

–2.8

–4.3

500

3.08

+0.0

–3.2