Auditioned without owning...
AKG K501, Audio Technica W1000, Audio Technica W10VTG, Alessandro MS2i, B&W P7, Beyerdynamic DT880 2005 600 ohm, Beyerdynamic DT770 2005 consumer edition and 32 ohm LE, Denon D2000, Denon D5000, Grado SR125, Grado modded 225, Grado SR325, Grado SR325is, Grado RS1, Hifiman HE6, NAD Orthos, NAD HP50, Shure SRH 940, Sennheiser Ovations, Sennheiser HD650 with ZU Cable, Superlux hd-651, Ultrasone HFI780, many koss portable models, Some 80s white rectangular studio cans, and more that I can not remember as of now.
Headphone Amp Inventory:
JDS Labs CMOY
Fiio E10, E9
Little Dot MK2
Audio GD C2C
Headamp Gilmore Lite with Dedicated Power Supply
Headroom Little More Power
Auditioned many other amps too with various cans
Muse NOS dac
FiiO E10, FiiO D3
Valab NOS DAC
EMU 0404 USB
MHDT Havana Dac
Apple Ipod touch 2g 16 gig
Apple Ipod 5.5g 80gig
Toshiba and Lenovo Laptops
Pioneer, Samsung and various other cheap DVD players
A dozen or so portables from 1990 to 2007
A bunch of midfi CD and DVD players from sony, kenwood, nad, etc...
Other Audio Equipment:
Pioneer integrated amp paired with klipsch and b&w speakers
Compression horn system using vintage altec compression drivers and custom 15 inch woofers
Previously Owned: Definitive Technology BP-8 Speakers, Definitive Technology Bookshelf speakers, Audiolab Integrated amp, Antique Sound Lab KT-88 based tube amp, pass aleph 3, nad 304 integrated amp, pioneer a300r integrated amp, and more that I forgot about during the 80s...
Auditioned The whole lot at CES shows.... My faves were some phi speakers, sound lab A1 electrostatics, Avantegardes. Recently heard some well setup Harbeths that I really loved. Ive also heard lots of custom built horns with custom amps that are really good. And of course I love Maggies!
various tweaks tried in the past which includes cd pens, trying out quarters substituted for mpingo discs, audioquest rf blockers and more.
Metal, British Alternative, American Alternative, New Wave/Post Punk, All forms of Jazz, Some Classical, Some Electronic, etc...