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Kung

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About Kung

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  1. Kung

    2SA1968 substitution

    rare and expensive audio equipments are popular in china and people are willing to own a machine like singlepower as their audio collection,and I'm sure vertek now is ready for the copy of headamp's bhse.
  2. Kung

    Constant pressure tube substitution

    the jr audio on taobao? i know you,you're a fan of spritzer.
  3. Kung

    Denafrips DACs

    ‘FOTM’,what's the meaning of that?
  4. Kung

    The Headcase Stax thread

    http://webcache.googleusercontent.com/search?q=cache:_8k5_bjQSfUJ:stax.xsrv.jp/products/sr-009s/+&cd=13&hl=en&ct=clnk&gl=hu SR-009s
  5. I try 02N120P as output fets,this time fr(-3db) can run up to 74Khz,and (-6db) about 114Khz. circuit works much better now.
  6. it's good to see more es amp designs. The thd+n is really low about 0.005% fr(-3db)only reach about 11.6Khz and -6db at 19.9Khz from multisim ac analysis when gain is set at 46db,higher the gain the lower fr will be,not sure the circuit works properly ,btw it's easy to run kgsshv fr(-3db)over 110khz or even higher,and 2nd harmonic distortion of -79db and 3rd harmonic distortion of -61db at 1Khz
  7. Kung

    Blue Hawaii BJT Build thread

    nicely done !
  8. Kung

    The Headcase Stax thread

    rumor from edifier dealer said that sr-009s is ready to launch
  9. Kung

    goldenreference low voltage power supply

    great job! kerry
  10. Kung

    Sennheiser HE-1

    yup,T8000 is another 727 like amp,still haven't enough power.
  11. Kung

    KGSSHV Carbon Build Thread

    I see Carbon removed the output buffer stage from KGSS ,So... for es amp,is the output impedance no longer important ?
  12. Kung

    Massdrop Cavalli Tube Hybrid

    wow,that's a lot of money
  13. white pcb,looks cool... oh,does it have enough gain for the es amp? Perhaps,they have no need of nfb,do no negative feedback amplifiers sound better than those with negative feedback?
  14. How does it compare to 007 & 009?
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