xrk971
Last Activity:
Nov 18, 2017 at 7:54 PM
Joined:
Feb 22, 2017
Messages:
355
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113
Trader History (0)
Gender:
Male
Home Page:
Location:
Metro Wash DC
Occupation:
Audio Company Founder

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Member of the Trade: XRKAudio, Male, from Metro Wash DC

xrk971 was last seen:
Viewing thread Knowledge Zenith (KZ) impressions thread, Nov 18, 2017 at 7:54 PM
  • About

    Gender:
    Male
    Home Page:
    https://www.etsy.com/shop/XRKAudio
    Location:
    Metro Wash DC
    Occupation:
    Audio Company Founder
    Interests:
    Speaker and power and headphone amplifier designing and building on DIYAudio.com
    Headphone Inventory:
    DT880-250 Chrome, MDRV6, Aurvana3, Status Audio OB-1, KZ ZS5
    Headphone Amp Inventory:
    Lots - all DIY Class A mostly. Fiio A5, Agdr Super CMOY 1688.

    Pocket Class A SE headamp, Salas DCG3, several versions of BF862 JFET front end CFP amps with MOSFET output stages. F5 headamp. DAO headamp with Juma BF862 preamp. See my inventory here:
    http://www.diyaudio.com/forums/headphone-systems/303345-blind-virtual-audition-several-headamps.html

    Reference amp is DIY BF862/Toshiba 2SA1837 CFP single ended Class A with cap multiplier and cap bank.
    Source Inventory:
    Scarlett Solo 2G, xmos U8 with BB PCM5012A, UCA202 DACs.
    Power-Related Components:
    Shunt regulated and capacitance multiplier PSU's. SMPS and toroidal transformer fed.
    Other Audio Equipment:
    Dozens of Class AB and Class A speaker amps - all DIY.

    See some of my amps here:
    http://www.diyaudio.com/forums/solid-state/295286-virtual-audition-very-simple-quasi-mosfet-amp.html
    Audio-Related Tweaks:
    I designed and made first pocket size portable single ended Class A Headamp.

    http://www.head-fi.org/t/833106/new-diy-altoids-tin-amp-the-class-a-wintergreen-handwarmer-by-xrk971
    Music Preferences:
    Jazz trios, female vocals, pop, classic rock, 80's speed metal, EDM house music.
    I like designing and building amps and speakers. I believe measurements and data are crucial.

    Signature

    Current desktop setup: Focusrite 2i4 2nd Gen // QuasiCan SEPP Class A desktop amp // Status OB-1 // Sometimes, HyQu with DT880-250 chromes. Current portable setup: iPhone 6s // NHB Pocket Class A // KZ ZS5 with silver cables
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