AKG DISCREET ACOUSTICS compact Mode D'emploi page 19

The DPA phantom power adapter is equipped with a bass
cut filter to minimize low-frequency noise.
CHM 21
CGN ... E
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