Larson Davis SoundAdvisor 831C Reference Manual page 225

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Table B.1 831C with PRM831 and 377B02 Microphone average frequency responses and
corrections Required by IEC 61672-1
1412.54
-0.27
1496.24
-0.13
1584.89
-0.02
1678.80
0.01
1778.28
-0.01
1883.65
-0.08
1995.26
0.20
2113.49
0.36
2238.72
0.24
2371.37
0.01
2511.89
-0.03
2660.73
0.19
2818.38
0.00
2985.38
-0.27
3162.28
-0.04
3349.65
0.01
3548.13
-0.13
3758.37
0.10
3981.07
0.10
4216.97
-0.03
4466.84
0.35
4731.51
0.06
5011.87
-0.08
5308.84
-0.04
5623.41
-0.02
5956.62
0.04
6309.57
0.21
6683.44
0.02
7079.46
0.04
7498.94
0.01
7943.28
-0.03
8413.95
0.27
SoundAdvisor Model 831C
0.27
0.20
0.13
0.07
0.02
0.23
-0.01
0.24
0.01
0.26
0.08
0.40
-0.20
0.43
-0.36
0.40
-0.24
0.53
-0.01
0.59
0.03
0.60
-0.19
0.42
-0.00
0.55
0.27
0.35
0.04
0.30
-0.01
0.11
0.13
-0.01
-0.10
-0.00
-0.10
0.00
0.03
-0.20
-0.35
-0.22
-0.06
-0.39
0.08
-0.39
0.04
0.04
0.02
-0.09
-0.04
-0.16
-0.21
0.14
-0.02
0.25
-0.04
0.12
-0.01
-0.14
0.03
-0.29
-0.27
-0.39
-0.07
0.07
-0.06
0.06
0.21
-0.21
0.25
-0.25
0.25
-0.25
0.32
-0.32
0.63
-0.63
0.76
-0.76
0.77
-0.77
0.60
-0.60
0.57
-0.57
0.61
-0.61
0.55
-0.55
0.08
-0.08
0.26
-0.26
0.12
-0.12
-0.14
0.14
0.10
-0.10
0.10
-0.10
-0.23
0.23
0.13
-0.13
-0.33
0.33
-0.47
0.47
0.00
0.00
-0.11
0.11
-0.12
0.12
0.35
-0.35
0.27
-0.27
0.16
-0.16
-0.13
0.13
-0.32
0.32
-0.12
0.12
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.45
0.55
B-2

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