
1
5
0
-5
-10
100 200 500 1 kHz 2 4 5 8 10 12 16 20
10
40
5 dB
On-axis
5
0
-5
-10
100 200 500 1 kHz 2 4 5 8 10 12 16 20
10
40
5 dB
On-axis
5
0
-5
-10
100 200 500 1 kHz 2 4 5 8 10 12 16 20
10
40
5 dB
On-axis
Fig. 14. Response characteristics of APE L0B (top), APE L40B and
APE L50B, fitted on 4006.