Formerly owned Headroom Blockhead/HD-650, and Singlepower ES-1 electrostatic amplifier / Sennheiser Orpheus HE90 headphone (new, 2nd production run).
Returned to 2 channel stereo because it sounds so much better!
August 2013: For traveling, I upgraded my Earsonics EM3-Pro,TWAG V2 OM, iPad3 to a UE PRM (H-50, M-50, L-45), Toxic Cables Silver Widow cable and Hifiman HM-901 with IEM amp card.
Soulution Audio SACD/CD player
Kubala-Sosna Elation cables and power cords
Other Audio Equipment:
Soulution Audio preamp and monoblock amps
YG Acoustics Anat III Professional Studio Speakers