Beta Three S400a User Manual page 6

S400a
HORIZONTAL DIRECTIVITY
The data of S400a horizontal directivity were collected by testing the speaker system in a big anechoic
chamber.
0
330
300
270
240
210
180
100Hz
0
330
300
270
240
210
180
400Hz
0
330
300
270
240
210
180
1.6kHz
0
330
300
270
240
210
180
6.3kHz
30
330
60
300
90 270
120
240
150
210
30
330
60
300
90 270
120
240
150
210
30
330
60
300
90 270
120
240
150
210
30 330
60
300
90
270
120
240
150
210
0
30
60
90 270
120
150
180
160Hz
0
30
60
90 270
120
150
180
630Hz
0
30
60
90 270
120
150
180
2.5kHz
0
30
60
90
270
120
150
180
10kHz
The scale is stepped by 6dB increment.
4
0
30
330
60
300
90
120
240
150
210
180
200Hz
0
30
330
60
300
90
120
240
150
210
180
1.0kHz
0
30
330
60
300
90
120
240
150
210
180
3.15kHz
0
330 30
60
300
90
120
240
150
210
180
16kHz