Good information! And wow, ibasso is now AK. Cool. (kidding).
Main DAPs: DX180, DX240, DX320 EditionX, DX300MAXTi, DX320MAX Ti, Sony WM1Z , various AK players.
DACs: iBasso D16, LTA Aero R2R
Main Desktop amps: LTA MZ2, MZ3, Velo, Manley Absolute, Quicksilver Headphone amp, LTA Z10e electrostatic (latest version), RSA A-10 (just totally updated by Ray 5/2022) Electrostatic headphone amp, Cayin HA-300B MKII (6C8C/WE 300B or Elrog ER & E1148 Hytron) and HA-6A.
Main Headphones: ORPHEUS HE90, Sony MDR R-10 (tuned up new foam - Superb/adapted for any plug), SR1,2 & 3 ( SR3 second choice after the R-10), Ether II, Voce (newly designed ear pads), DCA Expanse. Focal Utopia and Stellia, Abyss 1266 Phi TC, Hifiman HE6 (early 4 screw original), ES Audio R10.
Custom headphone cables (Original Whiplash) and IC's. A Very Large variety of NOS tubes.