Bosch EVF-1152D/43-FG User Manual page 3

Polar Plots (1/3 Octave):
400 Hz
1 kHz
2.5 kHz
6.3 kHz
16 kHz
Engineering Data Sheet
500 Hz
1.25 kHz
3.15 kHz
8 kHz
20 kHz
630 Hz
1.6 kHz
4 kHz
10 kHz
Horizontal = Black
Vertical = Grey
800 Hz
2 kHz
5 kHz
12.5 kHz