22
10
-10
0
-20
20 Hz 50 100 200 500 1 kHz2 5102040
0˚
30˚
60˚
90˚
180˚
dB
On-Axis Frequency Response
Measured at 20 cm (7.9 in) distance
10
-10
0
-20
20 Hz 50 100 200 500 1 kHz2 5102040
10 cm
15 cm
20 cm
30 cm
100 cm
dB
The Proximity Effect
The proximity effect exhibited by DPA d:vote 4099
4099 manual 2012.indd 22 03/09/12 09.51
