You would maybe find that the HD800 will have a slightly different soundstage and instrument definition with other amps and spending more time with them. The tonal response you talk about is close to the AKG 702, but with different sources and different amps your opinion may change as far as your take on their soundstage and instrument delineation? In my opinion it's slightly different. You should try the HD800s with other equipment as I feel your ideas about specialization (specifically) may change? Mine did. To me the HD800s had slightly better detail and bigger soundstage which gave room for instrument delineation?