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Helmet attachment gel cushion
Art nr: MT73H7P3E4310WS6EU, MT73H7P3E4410WS6EU, MT73H7P3E4310EU, MT73H7P3E4410EU
A:1 Frequency (Hz)
A:2 Mean attenuation (dB)
A:3 Standard deviation (dB)
A:4 APV (dB)
A:6 EN352-4 Criterion levels
H
119 dB(A)
M
112 dB(A)
L
99 dB(A)
EXTERNAL AUDIO INPUT LEVELS EN 352-6
A:7 Cable: EN352-6 External input level
A:8 RMS
Voltage U (mV)
14.9
26.6
47.2
84.0
149.4
265.6
A:11 Cable: The electrical input level
for which the sound pressure level is
equal to 82 dB(A): 120.5 mV
B) AZ/NZS 1270:2002
Headband with foam cushion
Art nr: MT73H7A4310WS6AZ, MT73H7A4310AZ
B:1 Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB
B:4 Mean minus SD
Neckband with foam cushion
Art nr: MT73H7B4310WS6AZ, MT73H7B4310AZ
B:1 Frequency (Hz)
B:2 Mean attenuation (dB)
B:3 Standard deviation (dB
B:4 Mean minus SD
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
14.3 19.4 26.1 35.6 32.0 34.8 33.8
A:9 Mean Sound
Pressure (dB(A))
63
67.9
72.9
77.9
82.7
86.9
125 250 500 1000 2000 4000 8000 SLC
20.7 23.9 32.0 33.9 36.1 39.6 39.6
3.5
3.3
4.0
2.2
)
17.2 20.6 28.0 31.7 32.4 37.0 36.3
125 250 500 1000 2000 4000 8000 SLC
16.1 18.6 30.1 36.0 37.4 38.0 37.7
3.3
4.0
3.8
3.8
)
12.8 14.6 26.3 32.2 33.2 34.3 33.5
3.1
4.8
4.4
A:10 STD Sound
Pressure (dB)
1.1
1.1
1.1
1.1
1.1
1.0
32 db
3.7
2.6
3.3
30 dB
4.2
3.7
4.2
34
29
21
31
Class Clamping
80
force
5
14.1 N
Class Clamping
80
force
5
12.6 N
532
Mass
447 g
Mass
434
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