Cambridge Audio AXA25 Manual page 9

9
In each case, the red terminal is the positive output and the black terminal is the negative output.
Care should be taken to ensure no stray strands of wire are accidentally connecting speaker outputs together as this may cause damage to the unit.
Please ensure that the loudspeaker terminals have been tightened adequately to provide a good electrical connection. It is possible for the sound
quality to be affected if the screw terminals are loose.
5, AC power socket - Once all connections are complete, plug the AC power cable into an appropriate mains socket and turn the unit on.
Please only use the power lead supplied with the unit.