3
E)
E (AU / NZ)
MT72H540P3E-50
Frequency (Hz)
125
250
500
1000
2000
4000
8000
Mean Attenuation (dB)
17.9
27.3
34.0
35.8
31.5
40.5
36.5
Standard Deviation (dB)
3.3
3.6
4.2
2.9
3.0
4.7
4.0
Assumed Protection (dB)
14.6
19.7
29.0
32.9
28.5
35.8
32.5
SNR=31dB H=31dB M=29dB L=24dB
MT72H540P3E-50
Frequency (Hz)
125
250
500
1000
2000
4000
8000
Mean Attenuation (dB)
17.6
23.5
35.0
40.5
35.0
41.7
41.3
Standard Deviation (dB)
2.9
3.1
3.9
3.3
2.2
3.1
3.2
Mean - Standard Deviation (dB)
14.7
20.4
31.1
37.2
32.8
38.6
38.1
SNR=31dB H=31dB M=29dB L=24dB
MT72H540F-50
Frequency (Hz)
125
250
500
1000
2000
4000
8000
Mean Attenuation (dB)
18.9
24.4
32.7
35.3
33.3
41.0
39.4
Standard Deviation (dB)
2.3
1.8
1.7
2.6
2.7
3.0
3.2
Assumed Protection (dB)
16.6
22.6
31.0
32.7
30.6
38.1
36.2
SNR=33dB H=33dB M=31dB L=24dB
MT72H540F-50
Frequency (Hz)
125
250
500
1000
2000
4000
8000
Mean Attenuation (dB)
17.9
23.4
35.1
40.6
35.1
41.8
40.4
Standard Deviation (dB)
3.2
2.6
2.6
4.5
3.5
3.4
3.7
Mean - Standard Deviation (dB)
14.7
20.8
32.5
36.1
31.6
38.4
36.7
SNR=33dB H=33dB M=31dB L=24dB