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B)
B:1
C)
C:1
D)
D:1
E)
E:1
F)
F:1
G)
G:1
H)
Model
Frequency
MT15H7A2
Mean att.
MT15H7B2
Stand. dev.
MT15H7F2
400 g / 14.1 Oz.
1
APV
Model
Frequency
Mean att.
ProTac
MT15H7P3*2
Stand. dev.
330 g / 11.6 Oz.
1
APV
I)
Criterion levels
H=125 dBA, M=107 dBA, L= 95 dBA
B:2
B:3
C:2
C:3
D:2
D:3
E:2
E:3
F:2
G:2
G:3
2
125
250
500
1000 2000 4000 8000
3
19.7
25.4
31.0
34.6
4
3.4
2.5
3.4
1.8
16.3
22.9
27.6
32.8
2
125
250
500
1000 2000 4000 8000
3
20.7
24.7
31.0
35.1 32.6
4
5.4
3.9
3.4
2.9
15,3
20,8
27,6
32,2 29,5
C:4
E:4
H
M
32.2
38.7
42.1
3.6
3.8
3.6
31 dB
29 dB
28.6
34.9
38.5
H
M
40.4
42.1
3.1
3.1
2,7
32 dB
29 dB
37,3
39,4
L
SNR
24 dB 32dB
L
SNR
23 dB 31dB
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