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The Xonar Essence STX Q/A, tweaking, impressions thread

Discussion in 'Computer Audio' started by telix, Apr 28, 2009.
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  1. Powersurge
    So quick question fellows, as i am very new to this. Would a DAC/AMP combo like the Fulla2 or a dedicated amp like say the Vali2 be a considered an upgrade from my Essence STX? (first version, stock opamps)
     
    I'm listening on a K712 Pro, using Flacs via foobar2k and ASIO.
     
  2. PurpleAngel Contributor
     
    Think your better off spend up to around $60 to upgrade the op-amps in the Essence STX.
    Maybe spend $214-$250 for the Darkvoice tube headphone amplifer, connect it to the STX line-output (RCA).
     
  3. gug42
    Hello,
     
    Can you help me between thoses 3 options plz ? Any advice or sound signature review plz ?
    I read lots but hard to know ...
    - OPA2228 P
    - OPA2111 (KP)
    - OPA2107 AP
    - LME49720 NA
    - LF442CN
     
    Thank you in advance !
     
    Regards,
     
  4. fredeb
    I'd just put 2x opa1612 in the I/V section and LM6172 in the buffer and be done. I've tried all except the last opamp in your selection .
     
  5. gug42
    What's your impression ? sound sensation/signature ?
     
  6. Maxmiz
    Hello everyone,
     
    I have a ST connected to a Marantz CR510 connected to klipsch f30 in a living room of 30m2.
     
    The sound is not bad but I lack a little detail and dynamics.
     
    I would not like to add more bass, but reinforcing a bit the high mediums would be good.

    I have read more than 40 pages and frankly I'm lost, you've tested so much chip that I really do not know which ones to choose [​IMG]

    So if someone could give me the good references, it would be super-friendly [​IMG]
     
     

     
  7. fredeb
    My impression is that they are completely neutral and fast with extremely low noise-floor .
     
    2x these : http://www.ebay.fr/itm/1pcs-TI-OPA1612AID-ON-DIP-ADAPTER/252603693880?_trksid=p2047675.c100623.m-1&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20160608112848%26meid%3D8522d03e78774357be5e2e64a3943c31%26pid%3D100623%26rk%3D1%26rkt%3D6%26sd%3D272244653184
     
    1x http://www.ebay.fr/itm/LM6172IN-CIRCUIT-INTEGRE-DIP-8-/322278871044?hash=item4b09515004:g:joIAAOSwUuFWzzx5
     
    The LM6172 in the buffer is praised by many in the first page of this thread , super fast , even though the datasheet makes it look as if it's not meant for audio it works extremely well in the buffer position .
     
     
    I'm sure you can trust these , if they do turn out to be fake , you can contact the seller , who will not want to be kicked off ebay . :)
     
  8. gug42
    Thank you for your return and advice :)
     
    Some LM6172 are on the way.  I bought the muse too. I will test all this little thing :)
     
  9. fredeb
    Let us know how it goes ! Only use 1x LM6172 in the buffer position , it doesn't do well in the other 2 positions ( I/V stages )
     
  10. gug42
    Yes for sure !  in a few weeks (time to cross the ocean :D)
    Thx
     
  11. fredeb

    Somehow I think 2x OPA1612 in the I/V section is what you're looking for if you want more dynamics , a more refined sound . Look at link provided two or three posts back .
     
  12. Maxmiz
     
    Thank you very much for your answer.
    In the meantime I changed amp, I switched from a Marantz cr510 to SMSL AD18. And in HP cable I switched from Rega duet to Mogami 3082.
    So, I gained in dynamics and in detail.
     
    I just have to erase some shine in the treble but not diminish them.
     
    So do I always have to go on 2x OPA161?
    And a LM6172 buffer?
     
  13. fredeb

    Yip ! Just like that - please report back with your findings . I'm really impressed with that combo , after having tried a whole barrage of opamps . ATM I run that into a 80wpc Linsey Hood design driving a pair of vintage B&W DM12's ( phenomenal speakers if you ever come across a pair ).

    I like making up my own Mogami interconnects . :)
     
  14. Maxmiz
     
    Thanks for the info, so I ordered. I'll tell you later if it makes it right.
     
    And long live the Mogami [​IMG] 
     
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