Larson Davis SoundAdvisor 831C Reference Manual page 191

FIGURE A-34 Model 831 with 377C20 Microphone
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
FIGURE A-35 Model 831 with 377C20 Microphone
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
-26
140°
150°
160°
170°
180°
Mic at n°
10°
350°
50°
310°
90°
270°
130°
230°
170°
190°
Frequency Hz
266
335
50°
422
531
60°
668
841
70°
1059
80°
1334
1679
90°
2113
2661
100°
3350
4217
110°
5309
120°
6683
8414
130°
10593
13335
16788
A-31