Laptop is 6 year old MacBook (2MB Ram) running Pure Music app and Itunes with Itouch as a remote control utilizing Apple's free "Remote" app. USB cable is Wireworld Starlight connecting Laptop to Dac. Music saved to outboard 1TB hard drive, firewire connected to Macbook and all recordings Applelossess with error correction turned on. All gear is on a dedicated 20 amp line.
