Random Incidence; Typical Z-Weight Frequency Response - Larson Davis SoundAdvisor 831C Reference Manual

FIGURE A-38 Model 831 with 377C20 Microphone
290°
280°
270°
260°
250°
A.8.3 Random Incidence
Normalized to 1 kHz at 0 degrees.
FIGURE A-39

Random Incidence

2
0
-2
-4
-6
-8
-10
-12
-14
A.8.4 Typical Z-Weight Frequency Response
For frequency responses of the Model with the
PRM2103 preamplifier, see the Larson Davis
PRM2103 Outdoor Microphone Preamplifier Manual.
SoundAdvisor Model 831C
350°
340°
330°
320°
310°
300°
240°
230°
220°
210°
200°
190°
0°
10°
2
20°
30°
-2
40°
-6
-10
-14
-18
-22
140°
150°
160°
170°
180°
Frequency (Hz)
Frequency (Hz)
251
316
50°
398
60°
501
631
70°
794
80°
1000
1259
90°
1585
1995
100°
2512
110°
3162
3981
120°
5012
130°
6310
7943
10000
Randomized
A-38