AKG CGN 99 C/L User Instructions page 18

4 Installation and Connection
4.4.2 Unbalanced
Inputs
Fig. 6: Unbalanced
input stage
Table 2: Standard val-
ues for Rv and 2 x Rv
18
VDC
12 V ±2 V
24 V ±4 V
48 V ±4 V
* In order to satisfy the IEC 61938 symmetry requirement,
make sure the actual values of the two resistors 2 x Rv
do not differ by more than 0.5%!
Rv
330
680
3,300
2 x Rv*
680
1,200
6,800