The AP can also be improved by using Connectronics brand BNC / RCA adapters in lieu of those provided with the AP unit. They sound much better and a very inexpensive purchase from Markertek.
I also found a good coax sounds better than direct connection to the DAC. I use the BlackCat Silverstar.
I also found a good coax sounds better than direct connection to the DAC. I use the BlackCat Silverstar.