[K Shep]

I can't help but notice that nobody who thinks all this electronic frippery is so important bothered to answer the following question

If a tree falls in the forest...

[brother love]

OK, so I have received Grant Fidelity Tube DAC-11 & assorted cables. End result that works very well ...

5m USB cable routed from iMac to DAC. RCA interconnects between DAC, amp & Oppo 83SE. Using Airport Express, iPad2, Remote app, Spotify Remoteless app, Wi-Fi synch iTunes, throw in a few downloaded Hi-Rez tracks ...

Bam! that's it!  Working like a charm!