9
250
500
1000
2000
180
0
90
270
15
30
45
60
75
105
120
135
150
165
255
240
225
210
195
285
300
315
330
345
3
-3
-9
-15
-21
-27
-33
VERTICAL POLAR DIAGRAM
HORIZONTAL POLAR DIAGRAM
180
0
90
270
15
30
45
60
75
105
120
135
150
165
255
240
225
210
195
285
300
315
330
345
3
-3
-9
-15
-21
-27
-33
4000
8000
12500
16000
180
0
90
270
15
30
45
60
75
105
120
135
150
165
255
240
225
210
195
285
300
315
330
345
3
-3
-9
-15
-21
-27
-33
180
0
90
270
15
30
45
60
75
105
120
135
150
165
255
240
225
210
195
285
300
315
330
345
3
-3
-9
-15
-21
-27
-33
250
500
1000
2000
4000
8000
12500
16000
Q FACTOR & DIRECTIVITY INDEX ( DI )
Q ( f )
D ( f )
100
10
1
100
1000
10000
100000
FULL SPACE FREQUENCY RESPONSE
115
110
105
100
95
90
85
80
75
70
65
60
55
20
50
100
200
500
1K
2K
5K
10K
20K
Hz
dB SPL
90
80
70
60
50
40
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
deg.
Freq.
-18/-6
-6/-6
DIAGRAMMI
DIAGRAMS
VERTICAL POLAR DIAGRAM
HORIZONTAL POLAR DIAGRAM
HORIZONTAL COVERAGE