Larson Davis SoundAdvisor 831C Reference Manual page 169

FIGURE A-9 Model 831 with 377B02 Microphone
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
FIGURE A-10
Directional Characteristics
290°
280°
270°
260°
250°
SoundAdvisor Model 831C
350°
340°
330°
320°
310°
300°
240°
230°
220°
210°
200°
190°
Frequency (Hz)
0°
10°
2
20°
30°
-2
40°
-6
-10
-14
-18
-22
140°
150°
160°
170°
180°
Mic at n°
0°
30°
70°
110°
150°
50°
60°
70°
80°
1000 Hz
90°
100°
110°
120°
130°
A-23