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52
(H)
SNR
35
dB
H
28
dB
M
19
dB 31
dB
L
220
g
/
7.8 Oz.
1
14.5 19.2 33.0 38.3 35.9 39.8 35.8
1.9
2.6
1.5
2.3
2.9
2.3
3.4
12.6 16.6 31.5 36.0 33.0 37.5 32.4
Frequency
2
Mean att.
3
**
Stand. dev.
4
H7A
APV
Model
125
250
500 1000 2000 4000 8000
SNR
32
dB
H
27
dB
M
18
dB 29
dB
L
240
g
/
8.5 Oz.
1
12.3 20.1 32.0 38.3 35.8 34.7 33.8
3.0
2.4
2.4
3.6
3.9
4.6
4.8
9.3 17.7 29.6 34.7 31.9 30.1 29.0
Frequency
2
Mean att.
3
*
Stand. dev.
4
H7F
APV
Model
125
250
500 1000 2000 4000 8000
SNR
34
dB
H
29
dB
M
19
dB 31
dB
L
205
g
/
7.2 Oz.
1
14.5 22.6 32.9 37.2 36.5 37.3 35.7
2.9
3.4
2.6
2.1
3.6
2.4
3.9
11.6 19.2 30.3 35.1 32.9 35.0 31.8
Frequency
2
Mean att.
3
*
Stand. dev.
4
H7B
APV
Model
125
250
500 1000 2000 4000 8000
SNR
33
dB
H
23
dB
M
14
dB 26
dB
L
145
g
/
5.1 Oz.
1
9.9 13.3 26.5 37.2 34.7 36.9 38.3
2.2
1.6
2.6
1.8
3.6
4.2
2.0
7.7 11.7 23.9 35.4 31.1 32.7 36.3
Frequency
2
Mean att.
3
**
Stand. dev.
4
H9A
APV
Model
125
250
500 1000 2000 4000 8000
SNR
29
dB
H
22
dB
M
13
dB 25
dB
L
130
g
/
4.6 Oz.
1
10.4 16.2 27.5 35.9 32.6 36.3 30.8
5.0
4.0
4.5
4.2
5.0
3.7
5.9
5.4 12.2 23.0 31.7 27.7 32.5 24.9
Frequency
2
Mean att.
3
*
Stand. dev.
4
H9B
APV
Model
125
250
500 1000 2000 4000 8000
SNR
31
dB
H
21
dB
M
12
dB 24
dB
L
130
g
/
4.6 Oz.
1
9.6 12.5 25.3 33.4 33.3 37.0 33.7
3.1
3.7
4.3
1.5
2.5
3.4
4.9
6.5
8.8 21.1 32.0 30.8 33.6 28.8
Frequency
2
Mean att.
3
*
Stand. dev.
4
H6A
APV
Model
125
250
500 1000 2000 4000 8000
SNR
31
dB
H
21
dB
M
13
dB 24
dB
L
115
g
/
4.1 Oz.
1
11.0 11.3 21.6 31.4 31.9 37.8 36.0
3.5
1.5
2.5
2.0
3.0
2.5
3.8
7.5
9.8 19.1 29.4 28.9 35.3 32.2
Frequency
2
Mean att.
3
*
Stand. dev.
4
H6B
APV
Model
125
250
500 1000 2000 4000 8000
SNR
30
dB
H
21
dB
M
12
dB 24
dB
L
150
g
/
5.3 Oz.
1
10.5 13.1 24.1 32.4 30.9 36.4 35.3
4.3
3.1
2.4
2.4
3.1
5.0
5.2
6.2 10.0 21.7 30.1 27.8 31.4 30.1
Frequency
2
Mean att.
3
*
Stand. dev.
4
H6F
APV
Model
125
250
500 1000 2000 4000 8000
Bull’s Eye 7
Bull’s Eye 9