no SQ loss really if and only if the format stored is the same for a digital transfer
then you want to get it out of there and into a good DAC, without altering any of the bits, without introducing leakage currents and without introducing any jitter
for $40 you can buy a warrantied Apple TV3 form the Apple refurb store; shoot WiFi based AirPlay from iTunes to your TV and run the digital into your DAC - you will find it sounds quite good on your $12,000 Magnepans...
then you want to get it out of there and into a good DAC, without altering any of the bits, without introducing leakage currents and without introducing any jitter
for $40 you can buy a warrantied Apple TV3 form the Apple refurb store; shoot WiFi based AirPlay from iTunes to your TV and run the digital into your DAC - you will find it sounds quite good on your $12,000 Magnepans...