WillB
I'm an American expat in Sweden since 1992. I moved to Sweden straight out of college after a year as an exchange student at a Swedish university. I’ve got over 20 years of corporate banking experience in cash management and product management.

I got into head-fi in 2015. I can't remember what exactly what started it. I probably went down one of those YouTube rabbit holes and never found my way out (I blame Zeos). I remember doing a lot of research in 2015 before getting my first high-end headphones (Sennheiser HD800) and dedicated desktop DAC/amp. That DAC/amp was a flop after which I upgraded to my current setup.

Since getting my xDuoo tube amps as a way of dipping my toes into the world of tube amps and tube rolling, I have begun collecting various NOS and used (good condition) vacuum tubes. I own quite a few vacuum tubes now and I am willing to part with them at fair value or trades.

Hit me up if you need a tube, I just might have it. I welcome inquiries and I am doing it just for the fun of it. This is not business for me, just a hobby.

I can also procure tubes at competitive prices + a very small “finder’s fee” + shipping from Sweden. It depends on availability. I’m not looking to burn anyone and get a bad rep here, either.

As a secondary verification I have a professional profile on LinkedIn with my bona fides as a banker for 20+ years.

Location
Stockholm, Sweden via Long Island, N.Y.
Interests
Head-Fi, home theater, technology and gadgets, Xbox FPS gaming, politics, history, popular science, intellectual dark web.
Headphone Inventory
Audeze LCD-X (OG), Maxwell (Xbox)
Beyerdynamic DT 1770 Pro / DT 1990 Pro
Focal Utopia (2022)
Fostex TH900 (Lawton Audio mod gaboon ebony earcups - gorgeous!)
Hifiman Ananda Stealth, Arya Stealth, HE6SEv2
MrSpeakers/Drop Ether CX
Sennheiser HD 650 / HD 800 / HD 800S
Sony MDR-Z1R
Headphone Amp Inventory
THX AAA 789 amplifier
xDuoo TA-20 NOS tubes
xDuoo TA-26 NOS tubes
ifi iDSD Signature
AudioQuest Dragonfly Cobolt
Source Inventory
PC USB, Mac Studio M2 USB, iPad Pro 2021 USB, iFi iPurifier3
Topping DAC D70 BT (AK4497EQ)
Cable Inventory
Double Helix Cables
Custom Cans UK
Moon Audio - Blue, Black and Silver Dragons
Supra Cables by the Swedish cable company Jenving - Biggest bang for the buck on the Swedish market. Supra Cables hit the sweet spot before the law of diminishing returns kicks in. I use Supra for everything: RCA, optical/Toslink, USB, XLR interconnects, HDMI. All Supra Cables have a signature baby blue color. If that doesn't bother you then you're golden, or rather baby blue as it were.
Power-Related Components
Jenving Supra surge protection and shielded power strips and shielded power cables for all my home theater and head-fi kit. Biggest bang for the buck.
Other Audio Equipment
Home theater - Marantz SR8015, Emotiva XPA Gen3 3-channel power amplifier.
Miller & Kreisel Loudspeakers. Three MP150 on-wall left, center, right channels; four S-150 on-wall surround and rear channels; four IC-95 in-ceiling speakers.
SVS PC-4000 and SVS SB-3000 subwoofers
11.2 channel Dolby Atmos configuration. Supra Cables: Loudspeaker and subwoofer cables behind walls and ceiling, interconnects, HDMI's.
Music Preferences
A little bit of everything. Emphasis on various electronica genres with deference to progressive vocal and melodic trance, progressive and deep house; 80's music (my teenage years), covers of 80's music and covers in general, cinema scores.
Apple Music
Spotify Premium
Digitally Imported Premium (di.fm)
YouTube Music Premium

I do not own one singe DSD file, SACD or DVD audio discs or vinyl and only a few remaining CD's. No MQA either. Oops.
Gender
Male
Gear-Fi
iPhone X and iPad Pro (2021)
iFi iDSD Signature
AudioQuest Dragonfly Cobolt
Occupation
Senior Product Manager Cross-Border Payments (banking)

Signature

Headphones: Audeze LCD-X (OG) / Maxwell (Xbox), Beyerdynamic 1770 Pro / 1990 Pro, Focal Utopia (2022), Fostex TH900 (Lawton Audio mod gaboon ebony earcups [gorgeous!]), HifiMan Ananda Stealth / Arya Stealth v2 / HE6se v2, MrSpeakers/Drop Ether CX, Sennheiser HD650 / HD800 / HD800S, Sony MDR-Z1R. Dekoni Hybrid Elite earpads all around.
Apple AirPods Max / Pro, Sony MDR-1000XM4 / MDR-1000XM5
DAC and DAC/amps: iFi iDSD Signature, AudioQuest DragonFly Cobalt, Topping D70 BT (AK4497EQ)
Amps: Drop THX AAA 789, xDuoo TA-20 with NOS Siemens tubes, xDuoo TA-26 with NOS Svetlana tubes.
Double Helix Complement4 cables, Moon Audio Silver, Black, and Blue Dragons.

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