It took two months of burning in and finding the right aftermarket cables to make these my desert island cans! My system is made of an old Rotel cd player(9 + years) for digital out put and my pc with JRiver Media Center for flac files of my cd and vinyl recordings and high res audio files. I have had my Melos SHA-1 tubed headphone amp/preamp for almost 20 years! Transparent Audio Super cables for interconnects and Ultimates for speaker cables. From my PC to Pangea USB to my M-Audio Fast Track to Tara Labs RSC digital into my Bryston BDA-1 to said...