Larson Davis 831 - Page 486

Model 831 Manual Frequency Response A-49
FIGURE A-28 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
-5
0
5
10
15
20
25
30
35
40
8.0
10.0 12.5 16.0 20.0 25.0 31.5 40.0 50.0 63.0 80.0
100 125 160 200 250 315 400 500 630 800
1000 1250 1600 2000 2500 3150 4000 5000 6300 8000
10000 12500 16000 20000
Frequency (Hz)
Noise (dB SPL)
Electronic Noise
Total Noise
Microphone
Noise