How can an analog signal from a simple Ipod be better than the it's digital signal converted to analog through a high quality D/A converter? How good the Krell might be, the bottleneck is still the Ipod derived analog signal. The built in DAC inside the Ipod is quite good (Wolfson?), but of course an external high quality D/A converter is still better (better power supply, better internal parts, etc.).
Chris