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TABLE 1 – Technical Data
Sordin left/RIGHT CC-1 (Headband)
Sordin left/RIGHT CO CC-2 (Headband)
f (Hz)
125
M
(dB)
14.7
f
s
(dB)
2.7
f
APV (dB)
12.0
H
= 36.2 dB, M
= 28.9 dB, L
m
m
H
= 2.6 dB, M
= 2.2 dB, L
s
s
H = 34 dB, M = 27 dB, L = 19 dB, SNR = 29 dB
Sordin left/RIGHT CC-2 (Helmet mounted)
Sordin left/RIGHT CO CC-2 (Helmet mounted)
f (Hz)
125
M
(dB)
14.8
f
s
(dB)
3.1
f
APV (dB)
11.7
H
= 35.1 dB, M
= 27.9 dB, L
m
m
H
= 2.7 dB, M
= 2.3 dB, L
s
s
H = 32 dB, M = 26 dB, L = 19 dB, SNR = 28 dB
TABLE 5 – A-weighted diffuse field related sound pressure level
Mean plus one standard deviation
A-weighted diffuse-field related sound
pressure level
(dB (A))
Sordin left/RIGHT CC-1 (Headband)
Signal level (mV)
Sordin left/RIGHT CC-2 (Helmet mounted)
Signal level (mV)
Mean plus one standard deviation
A-weighted diffuse-field related sound
pressure level
(dB (A))
Sordin left/RIGHT CO CC-1 (Headband)
Signal level (mV)
Sordin left/RIGHT CO CC-2 (Helmet mounted)
Signal level (mV)
250
500
1000
19.7
26.5
35.6
2.7
3.0
2.8
17.0
23.5
32.8
= 21.4 dB, SNR
m
m
= 2.3 dB, SNR
= 2.2 dB
s
s
250
500
1000
19.8
24.9
32.5
2.9
2.7
3.8
16.9
22.2
28.7
= 21.3 dB, SNR
m
m
= 2.4 dB, SNR
= 2.3 dB
s
s
2000
4000
35.3
40.0
2.7
3.7
32.6
36.3
= 31.2 dB
W = 395 g
2000
4000
34.6
39.4
2.8
3.9
31.7
35.6
= 30.4 dB
W = 380 g
68.1
73.1
78.2
47.3
84.1
149.6
68.3
72.1
76.9
35.5
63.1
112.2
50
8000
36.4
5.1
31.3
8000
35.6
3.9
31.7
83.2
88.2
266.1
473.2
81.8
86.7
199.5
354.8
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