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3M™ PELTOR™ Optime™ III
H540A
3M™ PELTOR™ Optime™ III
H540B
3M™ PELTOR™ Optime™ III
H540P3
3M™ PELTOR™ H31A
3M™ PELTOR™ H31P3
A:1 Frequency (Hz)
125
A:2 Mean attenuation (dB)
17.4
A:3 Standard deviation (dB)
2.1
A:4 APV (dB)
15.3
A:1 Frequency (Hz)
125
A:2 Mean attenuation (dB)
17.5
A:3 Standard deviation (dB)
2.3
A:4 APV (dB)
15.2
125
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
17.1
A:3 Standard deviation (dB)
2.3
A:4 APV (dB)
14.8
A:1 Frequency (Hz)
125
A:2 Mean attenuation (dB)
11.2
A:3 Standard deviation (dB)
3.7
A:4 APV (dB)
7.5
125
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
11.8
A:3 Standard deviation (dB)
3.2
A:4 APV (dB)
8.6
250
500
1000
2000
4000
24.7
34.7
41.4
39.3
47.5
2.6
2.0
2.1
1.5
4.5
22.1
32.7
39.3
37.8
43.0
250
500
1000
2000
4000
24.5
34.5
41.4
39.5
47.3
2.7
2.0
2.2
2.0
4.4
21.8
32.5
39.2
37.5
42.9
250
500
1000
2000
4000
24.5
34.8
40.2
39.6
46.7
2.8
2.2
2.0
1.8
4.2
21.7
32.6
38.2
37.8
42.5
250
500
1000
2000
4000
17.4
29.7
36.2
37.3
34.7
3.8
2.5
3.1
3.6
3.2
13.6
27.2
33.1
33.7
31.5
250
500
1000
2000
4000
19.2
28.6
34.3
37.7
37.8
3.8
2.7
1.8
3.8
2.9
15.4
25.9
32.5
33.9
34.9
A:5
A:5
A:5
8000
SNR
H
M
L
42.6
40
32
23
35
2.6
dB
dB
dB
dB
40.0
A:5
A:5
A:5
8000
SNR
H
M
L
42.0
40
32
23
35
2.8
dB
dB
dB
dB
39.2
A:5
A:5
A:5
8000
SNR
H
M
L
43.1
40
32
22
34
2.5
dB
dB
dB
dB
40.6
A:5
A:5
A:5
8000
SNR
H
M
L
35.7
33
25
15
27
3.7
dB
dB
dB
dB
32.0
A:5
A:5
A:5
8000
SNR
H
M
L
38.0
35
26
16
28
1.9
dB
dB
dB
dB
36.1
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