TB 9-6625-160-24
Table 19. OPT 011 or 051 (CCITT WEIGHTING) Audio Filter.
Limits (dB)
Source
Minimum
Indicated
Maximum
50
-65.0
-61.0
100
-43.0
-39.0
200
-23.0
-19.0
300
-11.6
-9.6
500
-4.6
-2.6
800
-0.2
+0.2
1
k
0.0
+2.0
2
k
-4.0
-2.0
3
k
-6.6
-4.6
3.5 k
-10.5
-6.5
5
k
-39.0
-33.0
Table 20. OPT 012 or 052 (CCIR WEIGHTING) Audio Filter.
Limits (dB)
Source
Minimum
Indicated
Maximum
31.5
-30.9
-28.9
63
-24.9
-22.9
100
-20.8
-18.8
200
-14.3
-13.3
400
-8.3
-7.3
800
-2.4
-1.4
1
k
-0.5
+0.5
2
k
+5.1
+6.1
3.15 k
+8.5
+9.5
4
k
+10.0
+11.0
5
k
+11.2
+12.2
6.3 k
+12.1
+12.3
7.1 k
+11.8
+12.2
8
k
+11.0
+11.8
9
k
+9.7
+10.5
10
k
+7.7
+8.5
12.5 k
-1.0
+1.0
14
k
-6.3
-4.3
16
k
-12.7
-10.7
20
k
-23.2
-21.2
31.5 k
-44.7
-40.7
Table 21. OPT 013 or 053 (C MESSAGE WEIGHTING) Audio Filter.
Limits (dB)
Source
Minimum
Indicated
Maximum
60
-57.7
-54.7
100
-43.5
-41.5
200
-26.0
-24.0
300
-17.5
-15.5
400
-12.4
-10.4
27