Larson Davis 831 - Page 450

Model 831 Manual Model 831 Specifications A-13
Typical Z-Weight Frequency Response
For frequency responses of the Model 831 with the PRM2103 preamplifier, see the Larson Davis
PRM2103 Outdoor Microphone Preamplifier Manual.
831 with PRM831 Typical Z wt Frequency Response
0 dB Gain
Frequency Level
Hz dBµV
0.10 57
0.13 56.99
0.16 57.21
0.20 57.14
0.25 63.93
0.32 72.46
0.40 78.44
0.50 76.13
0.63 82.74
0.79 88.16
1.00 96.03
1.26 103.36
1.59 110.93
2.00 118.3
2.51 125.06
3.16 128.69
3.98 129.48
5.01 129.57
6.31 129.61
7.94 129.71
10.00 129.79
12.59 129.84
15.85 129.88
19.95 129.92
25.12 129.94
31.62 129.95
39.81 129.96
50.12 129.96
63.10 129.97
79.43 129.97
100.00 129.98
Amplitude Units: dBµV
831 Z wt High Pass Frequency Response
50
60
70
80
90
100
110
120
130
0.1 1.0 10.0 100.0
Hz
dBµV