xrk971
Last Activity:
Jul 27, 2017 at 2:34 PM
Joined:
Feb 22, 2017
Messages:
284
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64
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Occupation:
Manage aerospace programs.

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xrk971

Member of the Trade: v1539

xrk971 was last seen:
Searching, Jul 27, 2017 at 2:34 PM
  • About

    Occupation:
    Manage aerospace programs.
    Interests:
    Speaker and power and headphone amplifier designing and building on DIYAudio.com
    Headphone Inventory:
    DT880-250 Chrome, MDRV6, Aurvana3
    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.
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