Audio Production, Music, SACD, Headphones; EarBuds, Over Ear and gaming, Audiophile Equipment and Recordings, Acoustics, Computer and Board Games, Movies, Philosophy, High Quality/Resolution Video, Reading and Writing, Skiing, Drinking...
Stax SR-404, Balanced/moded TH 900 mk2, Fostex TH-X00, VE Zen, Rose Mojito, AKG K240, Beyerdynamic DT 990 PRO, various other earbud and (surround) gaming headphones...
Headphone Amp Inventory:
Stax SRM-006t, Fostex HPA4BL, Grace Design m9XX, LG 32bit Hi-Fi DAC and Amp module for the LG G5.
Various but SACD is my prefered source/format.
Various professional and self made.
Various power conditioners and filters.
Other Audio Equipment:
Sony XA9000ES, Electrocompaniet ECI-1, ATC SCM20SL, Sony UBP-X800, Oppo BDP-93 and other various speakers and amplifiers and receivers.