Correct...so if no sound was coming out of the RCA audio outs, does that mean the only way to hook up a HP amplifier to a AV receiver is via the HP Jack (or just rely on the AV receiver solely?)

  I was under the impression the AV receiver would act as a digital to analog converter, but that makes sense. So in this case, would a DAC+AMP combo be the way to go if you want to use the audio outs?

Thanks Braveheart,   I had the same experience when I hooked up the digizoid ZO2 to the unit - the headphone gave back quite a bit of interference. What I discovered only recently is that the unit has 2 modes - headphone and line out. As described by the company: "With headphone mode, the...

  Hi Fed,   I tried out the RCA to 3.5 jack on both the front L/R audio pre-out and the other Audio 3 line out jacks, but no sound came through the headset (sound came out the speakers as per normal). I looked in the NAD menu to see if there's any particular setting for analog audio out, but...

Very helpful, I'll definitely try that RCA to mini cable suggestion.    Thanks again

Thanks PurpleAngel   The HD-598's are my first entry level HP's, but I can hear a distinct difference in quality/vibrancy when I pair them with the digizoid zO2. Directly via the NAD AV receiver, I find them a bit flat and less dimensional, if that makes sense. Admittedly these might not be...

Hi everyone, noob here in desperate need of expert advice!  I own the NAD T748 AV Receiver, as well as a pair of Sennheiser HD 598s which I use a lot for night time viewing. I use the Digizoid Zo2 to really bring them alive. I'm looking to upgrade my cans to the HD-650's or similar, and as...