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