DPA 4017 User Manual page 5

Fig. 2. Directional characteristics of DPA 401 7 (normalized).
10
Without filter
0
dB -10
Bass roll-off
-20
300 Hz 6 dB/oct
-30
20 Hz 50
Fig. 3. Frequency response of switching filters.
10
0
0
30
dB -10
60
90
-20
-30
20 Hz 50
Fig. 4. On- and off-axis responses of DPA 401 7 (measured at 60 cm (23. 6 in).
5 dB
1 kHz
100 200 500
100 200 500
1 6 kHz
8 kHz
4 kHz
2 kHz
500 Hz
250 Hz
High boost +4 dB at 8 kHz
1 kHz 2
1 kHz 2
5 10 20
5 10 20
40
40
5