Tube electronics, older Harleys and younger women
Enough to keep me way too busy
HD600 & Cardas, K501 quad rewire w/701 pads, HD 580 w/600 screens & 2534 wire, K501 quad silver braid rewire w/701 pads, K240S rewire, DT770 w/quad rewire w/ Sorbothane damping & Paduka wood Cups, Martin/Rhydon/Jin, 2534 wire Grado clone. PS-500, modded Fostex T50RP Also Dabbling with Several other Grado's with testbed mods,. no Bose or Beats.
Headphone Amp Inventory:
DV336i w/Blackgares & Auricaps, Homebrew SEPP w/ 6SN7 in, 2 6H6P out, JFET/MOSFET Millett MAX, LD MKIII mod, Amb Mini3, Re-Capped TU-882AS, Reference amps are homebrew OTL's with power supplies suitable for welding and cost is never, ever, kept track of. :) + some other portable toys.
Cal Audio Sigma DAC & Delta Transport, Heart 5000 tube CD, Homebrew 8 paralleled 1543 passive R out, Other homebrew Tube CD's & reworked old Theta Cobalt DAC, Foobar USB DAC, ARC 6b preamp & Modded TD150 table with Cardas wired modded Rega 250 arm w/various cartridges. iH120 & iH320, & Some Alleged solid state A/V stuff that I have no recollection of :)
Years and boxes full (I still have an old pair of homebrew welding cable w/Litz speaker cables when everyone was using zip cord in the 70's - packed in a box somewhere) :)
A collection of ferro-resonant regulating transformers and homebrew 120V LC filter networks