AKG CGN 99 C/L User Instructions page 19

The DPA phantom power adapter is equipped with a bass
cut filter to minimize low-frequency noise.
CHM 99
CGN
99 ...
1. Unscrew the fixing screw on the microphone or DPA
phantom power adapter.
2. Pull the circuit board out of the case WITH CAUTION
– so as not to break the internal leads.
3. To acitvate the bass cut filter, plug the jumper J1 into
the central contact pair on the circuit board.
4 Installation and Connection
4.5 Bass Cut
Fig. 7: Fixing screw.
Refer to fig. 7.
Fig. 8: DPA circuit
board.
Refer to fig. 8.
19