Larson Davis SoundAdvisor 831C Reference Manual page 219

A.9.3 Random Incidence
Normalized to 1 kHz at 0 degrees.
FIGURE A-54 Random Incidence of 831C With 377B02 Free-Field Mic
A.9.4 Typical Z-Weight Frequency Response
For frequency responses of the Model 831C with the
PRM2103 preamplifier, see the Larson Davis
FIGURE A-55 Z-Weight Frequency Weighting, Direct Input
0.0
-10.0
-20.0
-30.0
-40.0
-50.0
-60.0
-70.0
-80.0
1E-1
SoundAdvisor Model 831C
1E+0 1E+1
Frequency (Hz)
PRM2103 Outdoor Microphone Preamplifier Manual.
1E+2 1E+3 1E+4 1E+5
A-55