Headphone Inventory

B&O Beoplay H4 3rd Gen
Erato Apollo 7S
Airpod Pro
JH Audio JH|13 Pro
Pixel Buds
Sony IER-Z1R
Sony MDR-Z1R with Wireworld Nano-Platinum Eclipse Cable
STAX SR-009
Sony WH-1000XM3
Sony WH-1000XM5
Zero Audio TWZ-1000

Gone and probably not forgotten:
AKG K1000
Audeze EL-8 (closed)
B&W PX
Beyerdynamic T1
Beyerdynamic T51p
Definitive Technology Symphony 1
Etymotic ER-4P
Grado GS1000i
Grado HF-2
Grado SR200 (HP1000 blackstar drivers)
JH Audio AKR03 Special Edition Roxanne
Sennheiser HD650 with Silver Dragon Cable
Sennheiser HD800
Shure KSE 1500
Sony MDR-1RNC MK2
Sony XBA-Z5 with Sony Muc-b20bl1 Headphone Audio Replacement Cable
Sony 1000X
STAX SR-202
STAX SR-507
STAX SR-007A
STAX SR-4070
STAX SR-404LE
Thinksound on1
Ultrasone HFI-780 ALO modified with 18G SXC Cryo
Ultrasone Signature DJ with Black Dragon cable
Victor HP-DX1000
Yamaha YH-2

Headphone Amp Inventory

Sony TA-ZH1ES
STAX SRM-600

Gone:
Eddie Current Zana Deux SE #7
pico Portable USB DAC / Amp
Ray Samuels Audio Emmeline "Tomahawk"
Red Wine Audio Isabellina HPA #1 (Fixed Outputs)
Red Wine Audio Signature 30.2 Integrated
Sony PHA-2
STAX SRM-1/MK-2 C Series
STAX SRM-252
STAX SRM-300

Source Inventory

Linn LP12 (Trampolin 2, Radikal 2, Keel, Ekos SE, Ekstatik, Karousel)
Pro-Ject 2Xperience/Vincent PHO-8
Sony HAP-Z1ES
Sony UBP-X1000ES

Gone:
AK-240
Bel Canto USB Link 24/96
Esoteric SA-10
McIntosh MCD500
Sony NWZ-ZX1
Cambridge Audio 751BD
Yamaha BD-A1000
Cambridge Audio Stream Magic 6

Cable Inventory

Virtual Dynamics David 2.0 Interconnects
Townshend Isolda DCT 300 Interconnects
Grover Huffman SC Dot Interconnects
Nordost Heimdall 2 Interconnects
Nordost Frey 2 Interconnects
Lots of Blue Jeans Cable Interconnects
Virtual Dynamics Testament 2.0 Power cable
Audio Art Power 1 Power cable with Furutech FI-11 Plugs
Nordost Red Dawn Power cable
Nordost Heimdall 2 Power cable
Black Sand Violet Z1 Power cables
Jellyfish Iron Lung Power cable
Locus Design Group Spotlight USB cable
Iconoclast SPTPC Speaker Cables

Power-Related Components

PS Audio Power Plant Premier

Other Audio Equipment

Smyth Research Realiser A8
Amarra 4
Sonos
SweetVinyl SugarCube SC-1 Mini

Bowers & Wilkins D1B
Focal Sopra No. 2
Lejonklou Entity 2.0
McIntosh C50
McIntosh MC452
Mini-Maggie System with Wadia 151/Musical Fidelity V-192
Martinlogan Depth i

Gone:
Bowers & Wilkins 805 Diamond Limited Edition
Cambridge Audio Azur 851A
Cambridge Audio Azur 551R
Martinlogan Purity
Bowers & Wilkins Panorama 2

Audio-Related Tweaks

Townshend Audio Seismic Podiums Size 3