Larson Davis SoundAdvisor 831C Reference Manual page 189

FIGURE A-30 Model 831 with 377B02 Microphone
280°
270°
260°
FIGURE A-31 Model 831 with 377C20 Microphone
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
SoundAdvisor Model 831C
350°
340°
330°
320°
310°
300°
290°
250°
240°
230°
220°
210°
200°
190°
0°
10°
2
20°
30°
-2
40°
-6
-10
-14
-18
-22
-26
140°
150°
160°
170°
180°
Frequency (Hz)
Frequency (Hz)
251
316
50°
398
501
60°
631
794
70°
1000
80° 1259
1585
90°
1995
2512
100°
3162
3981
110°
5012
6310
120°
7943
130°
10000
12589
15849
19953
Mic at n°
20°
340°
60°
300°
100°
260°
140°
220°
180°
A-29