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Laboratory Attenuation Tables
EN 352-1:2002 / EN 352-3:2002 / EN 352-8:2008 / EN 352-6:2002 / EN 352-4:2001+A1:2005
A)
Headband with foam cushion
Art nr: MT73H7A4*10WS6EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB) 2.4
A:4 APV (dB)
Neckband with foam cushion
Art nr: MT73H7B4*10WS6EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
Helmet attachment with foam cushion
Art nr: MT73H7P3E4*10WS6EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
Headband with gel cushion
Art nr: MT73H7A4*10WS6EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
Neckband with gel cushion
Art nr: MT73H7B4*10WS6EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
Helmet attachment gel cushion
Art nr: MT73H7P3E4*10WS6EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
125 250 500 1000 2000 4000 8000 A:5 H A:5 M A:5 L SNR
17.1 25.6 34.5 34.5 36.6 39.6 38.3
1.2
3.0
2.8
2.1
14.7 24.4 31.5 31.7 34.5 36.6 35.2
125 250 500 1000 2000 4000 8000 A:5 H A:5 M A:5 L SNR
14.9 24.0 32.7 32.5 36.2 40.4 39.1
2.5
2.0
3.2
2.8
3.4
12.4 22.0 29.5 29.7 32.8 36.5 35.9
125 250 500 1000 2000 4000 8000 A:5 H A:5 M A:5 L SNR
18.9 23.8 30.2 35.9 34.5 35.5 33.9
3.7
3.3
3.6
2.4
3.1
15.2 20.5 26.6 33.5 31.4 31.4 30.1
125 250 500 1000 2000 4000 8000 A:5 H A:5 M A:5 L SNR
15.3 23.0 35.6 37.1 38.1 41.1 38.3
2.7
2.0
2.9
2.2
2.1
12.6 21.0 32.7 34.9 36.0 37.9 36.2
125 250 500 1000 2000 4000 8000 A:5 H A:5 M A:5 L SNR
14.6 22.7 33.5 36.9 37.5 41.7 39.3
2.2
1.9
2.3
3.1
4.0
12.4 20.8 31.2 33.8 33.5 39.0 37.5
125 250 500 1000 2000 4000 8000 A:5 H A:5 M A:5 L SNR
19.0 22.4 29.6 38.1 35.1 39.6 38.2
4.7
3.0
3.5
2.5
3.1
14.3 19.4 26.1 35.6 32.0 34.8 33.8
3.0
3.1
35
31
3.9
3.2
34
29
4.1
3.8
32
29
3.2
2.1
37
30
2.7
1.8
36
30
4.8
4.4
34
29
EN 352-1:2002
24
33
449 g
EN 352-1:2002
21
31
434 g
EN 352-3:2002
22
31
472
EN 352-1:2002
21
33
509 g
EN 352-1:2002
21
32
493 g
EN 352-3:2002
21
31
532
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