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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. Haik
    Hi all.
    Is there any better OAMPs at this moment than OPA627 6 pieces putting to both I/V and buffer? I read all topics and some other forums. Everywhere i saw winner is original BB OPA627 amps. Or there any other things? Thanks in advance.
  2. fredeb
    Other than the standard opamps there are a couple of discrete offerings by Burson Audio and Sparkos .
    I'm anxiously awaiting the arrival of 3 Burson Audio  Supreme Sound Opamps v5i . A kind of hybrid .
    Till these arrive , I'm still enjoying the OPA1612's in the I/V and a LM6172 in the buffer . 
  3. Haik
    Is these better than OPA627 AD825 combination? And where can i buy genuine ones of that 2 ics?
  4. fredeb
    Unfortunately I have not tried OPA627 or AD825 - so all I can do is compare specification sheets .
    For the 2x OPA1612's you require 2x SOIC-8 to DIP-8 adapters .
  5. zilch0md
    This makes it a lot easier to compare the sizes.  Thanks!
    I found the original, tweaked the perspective and annotated it:
    fredeb likes this.
  6. Renfield1217
    Hi zilch0md,
    Great picture, however you should not use it for height comparisons. The Sparkos opamp clearly has an additional socket attached ( Sparkos sends out their opamps with an additional socket attached to protect the
    gold plated pins and of course this shouldbe removed before installation). In fact, it looks like the Sonic Imagery also has an additional socket attached in the pict.
    I checked my 5Vi's and it looks like they are sitting correctly.
    Hope this helps,
    fredeb likes this.
  7. zilch0md
    ^ It's not my photograph, but yeah, hopefully, people would notice the stacked sockets when they view the enlarged image.  Then again, I know someone who bought the SS3602 and complained that it was too tall for his application. He was surprised when I then suggested that he just remove the extra DIP8 socket. That did the trick.  So...  I guess we can't assume people will figure out that those sockets can be removed, even when they've got the op-amps in their hands. It's just a matter of knowledge and experience, not intelligence.
  8. bcschmerker4
    Thanks for the photo comparison.  Looks as though I might be able to use a bit of Antec® Formula 7™ thermal compound on the Burson® V5i to heat-sink it to the RFI shield on my STX.
  9. Fiskus
    Any recommendation on Opamps for HD800?
    Will probably replace the soundcard with a dedicated dac in the future but for now i will use my stx-card and whould be nice if there was a better one suited instead of the stock.
  10. PurpleAngel Contributor
    Budget for upgrading op-amps?
    I myself spend about $60 for three AD797BR op-amps.
  11. jimwallen
    I'm using the Burson Supreme op amps on my STX II. Awesome. https://www.bursonaudio.com/products/supreme-sound-opamp-v5/
  12. Fiskus
    How does the Burson affect the music compered to the originals?
  13. jimwallen
    Greater depth. Clarity, bass, mids and highs are all improved greatly. Separation, imaging of the sound stage are improved dramatically. It's really like night and day, and worth it. I think there is a trial period for them, but I don't remember for sure.
  14. Renfield1217

    Hi jimwallen,
    I also run an STXII and I agree on the discrete opamps, I am running Sparkos and simply love them. Just a heads up for people considering, Sparkos runs an ebay store also where you can make an offer and it's only $6 shipping in the US.
  15. fredeb
    I'm waiting for a couple of Burson V5i's to arrive . When they do , I'll give my impressions here . ATM my STX has OPA1612 installed , I'm quite impressed , the best I've experienced before going discrete .
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