I listen to Classical music everyday at work in my cube. I currently have a Cavalli Ehha Rev A amplifier with quality components and matched transistors etc..A pair of Sennheisser HD800s and my source is a Marantz SA8004 SACD player that also has DAC inputs (this player makes me smile every day...

Here is a pic of my Cavalli-Lovell MK2 headphone amp. Tubes: 6922 Holland Bugle Boys 5687 Tung Sol Black Plates Negative Feedback controlled by a stepped attenuator. CCS circuit was replaced recently with a Servo design, no more adjusting trimpots! Slow Start Circuit Super Fast...