My current gear

Amon
Hathor
DreiZwo Sat
KEF LS50 Meta
Various failed and upcoming DIY projects

Sennheiser HD800 (modded)
Sennheiser HD600 (modded)
Ultimate Ears Reference Monitors CIEMS (modded)
HiFiMan RE-272 in-ears
Moondrop Space Travel
Apple AirPods Pro 2
Apple AirPods Max
Various cheap headphones and in-ears I never use

Lewitt LCT 550 (an amazing vocal mic IMO)
Behringer B-5 (very good for the price)
t.bone MM-1 (capsule swapped with PUI 3027HD)
DBX RTA-M (capsule swapped with PUI 2730HD)
UMIK-1
Primo EM-172, EM-273 and EM258
B&K 4179 capsule
Some cardiod electrets

Schiit Ragnarok v1.0
Topping PA3s
Free Technics for driving speakers on my desk
Schiit Vali 1
Leckerton Audio UHA-6S-mkII

Schiit Gungnir MB Gen 1
MOTU M4 audio interface
Geek Out 2A
Geek Out 450
MoonDrop DAWN

VPI Classic
Lyra Delos cart
Schiit Skoll amp

Amon and Hathor cables
Serious interconnects
Serious power cables

Conductor materials I have tried:
copper, tinned copper, silver plated copper, silver, silver-gold, aluminium

Dielectric materials:
PVC, PE, XLPO, cotton, EPDM, ...

MOTU M4
Topping PA3s
DIY Impedance measurement box
ACH-01 with Ntavaras accelerometer amplifier

Serious Rack
Bluetti EB3A power source

Canton Reference 3K speakers
Schiit Aegir
Schiit Freya