Illustration 2: Frequency Response
20
100
1k
10k
20k
60
65
70
75
80
85
90
95
100
105
110
f / Hz
SPL / dB
Frequency Response, 1/6 Oct.
20
100
1k
10k
20k
1
2
5
10
20
50
100
200
f / Hz
|Z| /
Ω
Impedance, 1/6 Oct.
20
100
1k
10k
20k
10
20
30
40
60
80
100
200
360
f / Hz
φ
/ deg
−6dB Beamwidth, 1/1 Oct.
horizontal
vertical
20
100
1k
10k
20k
0
5
10
15
20
25
DI / dB
Directivity Index DI, Directivity Factor Q, 1/1 Oct.
1
2
5
10
20
50
100
200
Q
f / Hz
