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REVIEW: HLLY DMK-IV DAC / headphone amp / pre-amp)

Discussion in 'Dedicated Source Components' started by skylab, Jan 25, 2010.
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  1. mrarroyo Contributor
    David, you have been very busy. Good luck and look forward to the finished product.
     
  2. spartan123
    very nice
     
  3. leeperry
    I like the colors [​IMG]

    so what DAC/opamps this time? still has a remote control, right?

    and how is the volume attenuation done exactly? directly through the DAC chip built-in volume control?
     
  4. david-gao
    Quote:

    Originally Posted by leeperry /img/forum/go_quote.gif
    I like the colors [​IMG]

    so what DAC/opamps this time? still has a remote control, right?

    and how is the volume attenuation done exactly? directly through the DAC chip built-in volume control?




    This NEW DAC will use PCM1792 and OPA275 OP AMP chips!
    Will not offer remote control for this DAC! use Potentiometers to control the volume!

    Thanks

    david
     
  5. spartan123
    too, bad there will be no remote. It is a very nice feature
     
  6. mrarroyo Contributor
    David, I look forward to seeing the finished product.
     
  7. hipopotam
    Hello all.
    Nice GND and Vpower(+:wink: trace leading David.

    hipopotam
     
  8. buz
    This SMK III looks interesting for sure (especially if opamps are socketed). How much will it cost? Can gain be adjusted (I feel many amps have too much gain for my rather sensitive D2000)?
     
  9. leeperry
    Quote:

    Originally Posted by buz /img/forum/go_quote.gif
    I feel many amps have too much gain for my rather sensitive D2000



    my 32Ω/104dB cd1k needs a gain of 2, maybe your 25Ω/106dB d2k doesn't even need any gain at all? or a maximum of 2 anyway.
     
  10. buz
    Well it needs amping to improve SQ but little gain (it's loud enough out of a laptop for sure) - which is why the gain adjustable M-Stage is still prominently on my list.

    BTW, the Burson has pretty high gain right? So how does that work with your headphones...
     
  11. techenvy
    great review, no wonder you reviewed the dmk,,, i wish every amp/dac had this input/output/dac selection, but nothing is perfect

    reviews like this, is what makes head fi so awesome
    thanks again, i do appreciate it
     
  12. techenvy
    Quote:

    Originally Posted by buz /img/forum/go_quote.gif
    Well it needs amping to improve SQ but little gain (it's loud enough out of a laptop for sure) - which is why the gain adjustable M-Stage is still prominently on my list.

    BTW, the Burson has pretty high gain right? So how does that work with your headphones...




    gain is better or worse for different phones, especially iem's, you have to test out each level yourself to find your own preference. it is very welcomed on a headamp, i do wish my lisa had gain, that is her only flaw.

    and btw, ill let you know how the m stage compares in a few days now.

    cheers
     
  13. buz
    My M-Stage is somewhere on the way from Shanghai to Europe I believe [​IMG]
     
  14. leeperry
    ouh, PCB sex pictures...very nice! and rollable opamps to keep everyone happy [​IMG]
    Quote:

    Originally Posted by buz /img/forum/go_quote.gif
    BTW, the Burson has pretty high gain right? So how does that work with your headphones...



    the right jack has a very low gain, I can go up to noon on the pot [​IMG]
     
  15. mrarroyo Contributor
    Nice work David, does the unit have two digital coaxial inputs? Look forward to the final product.
     
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