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14
Polar diagram HSP 4
Frequency response curve HSP 4
0
°
5
1
0
1
5
2
0
2
5
dB
30
°
60
°
90
°
30
°
60
°
90
°
12
0
°
1
50
°
1
80
°
1
50
°
12
0
°
2
000
H
z
4
000
H
z
8000
H
z
1
6000
H
z
12
5
H
z
2
50
H
z
500
H
z
1
000
H
z
0
2
0
50
1
00
2
00
500
1
000
2
000
5000
1
0000
2
0000
Hz
d
B
v
0
°
,
1
m
90
°
,
1
m
-
50
-
55
-
60
-
65
- 7
0
- 4
5
- 4
0
-
35
0
°
,
1 c
m