Larson Davis SoundAdvisor Reference Manual page 191

5956.62
6309.57
6683.44
7079.46
7498.94
7943.28
8413.95
8912.51
9440.61
10000
10592.54
11220.18
11885.02
12589.25
13335.21
14125.38
14962.36
15848.93
16788.04
17782.79
18836.49
19952.62
f) Linear Operating Range
Table B.4 Linearity Range (Nominal Values)
Weighting Gain
A 0 dB
20 dB
C 0 dB
20 dB
Z 0 dB
20 dB
g) Linear Measurement Starting Point
SoundAdvisor Model 831C
-0.09
-0.16
-0.30
-0.13
-0.20
-0.26
-0.40
-0.60
-0.52
-0.30
-0.42
-0.66
-0.50
-0.57
-1.17
-1.59
-2.20
-3.05
-3.88
-5.38
-6.56
-8.15
31.5 Hz 1 kHz
Lower Upper Lower
22.6 100.5 22.6
18 80.5 18
25 137.5 25
24 117.4 24
36 140.5 36
35 120.5 35
-3.58
-3.41
-3.36
-3.48
-3.40
-3.36
-3.78
-3.81
-4.10
-4.42
-4.45
-4.49
-4.31
-4.41
-4.64
-4.95
-5.41
-6.30
-7.46
-8.87
-10.06
-11.24
4 kHz
Upper Lower Upper
140 22.6 141
120 18 121
140.5 25 139.7
120.4 24 119.6
140.5 36 140.5
120.5 35 120.5
-2.61
-2.72
-2.78
-2.88
-2.91
-3.05
-3.18
-3.23
-3.27
-3.32
-3.30
-3.12
-2.90
-2.76
-2.90
-3.41
-4.07
-4.98
-6.31
-7.91
-9.40
-10.80
8 kHz 12.5 kHz
Lower Upper Lower
22.6 138.9 22.6
18 118.9 18
25 137.4 25
24 117.4 24
36 140.5 36
35 120.5 35
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
Upper
135.7
115.7
134.3
114.2
140.5
120.5
B-9