Try a power conditioner. the main positive from most conditioners is impovement in the upper frequencies.
Then buy some used original Cardas interconnects for the Cd player to preamp. they are warmer and 'softer' sounding.
Or stick some ferrite claps on you current IC. Audio Quest made some larger ones which would fit your interconnects. Just on the wires from the Cd player...
Then buy some used original Cardas interconnects for the Cd player to preamp. they are warmer and 'softer' sounding.
Or stick some ferrite claps on you current IC. Audio Quest made some larger ones which would fit your interconnects. Just on the wires from the Cd player...

