Larson Davis 831 - Page 490

Model 831 Manual Frequency Response A-53
FIGURE A-32 Noise of Model 831 with 377B02: 0 dB Gain, Normal Range
Typical Noise of Model 831 with 377B02 Microphone, 0 dB Gain, Normal Range
-10
0
10
20
30
40
50
8.0
16.0 31.5 63.0
125 250 500
1000 2000 4000 8000
16000
Frequency (Hz)
Noise (dB SPL)
Electronic Noise
Total Noise
Microphone
Noise