Burson Opamps fitted to X-Meridian later today

Discussion in 'Computer Components' started by DownToTheBone, Jul 10, 2009.

  1. DownToTheBone

    DownToTheBone
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    The Bursons have just arrived and I plan on fitting them to XM this evening - I'll post a review afterwards. I plan on replacing the XM later this year once the Home Theater HD is available an any issues have been resolved so in the meantime I thought it I'd give the Bursons a try having been quite happy with LM4562s for sometime now.

    DTTB
     
  2. namuk

    namuk
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  3. DownToTheBone

    DownToTheBone
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    Well it took a little longer than I expected as I decided to have the clock replaced as well. Fitting into the Silverstone case was a little tight but all seems to be fine so far.

    As you can see from the pics I have only replaced the first three opamps as I only have a 5.1 system.

    I've had the system up and running this evening for the first time - Windows 7 with the latest Win7 X Meridian driver.

    Background - I was looking for a significant upgrade in sound character so having spoken to the audio specialist and sent him a few posts on what others had done to their XMs in his opinion changing the clock (to a very low jitter spec) and the opamps from LM4562 to Bursons would prove the most significant change. In fact they only recommend LM4562 (and the higher quality HA version of the 4562) if you go down the IC opamp route for hi-fi equipment. Of course this all comes at quite a significant cost - be warned this is not a value for money upgrade ...

    Soundwise - I was told it would take a 'few weeks' before the Bursons came into their own ... My HTPC outputs via analogue to an ARCAM AR280 amp fed into Acoustic Energy EVO B's surround speaker system with Ecosse MS2.3 speaker cable with mains filter and 'upgraded' power cables.
    On first listen I admit I was slightly disappointed - I was 'listening' for the change but as I began to select a variety of familiar tunes I began to notice the change. The sound was 'fuller' with a extension to the bass and layers within the music being emphasised differently. I' sure the detail was there before but the greater emphasis provided a better three dimensional sound.

    Am I likely to want the LM4562s back? I dont think so. I'm hoping that as the components bed in over the next few days and I get used to the sound I get further improvements. Is this money well spent - well as I said before this is not a bang for buck upgrade but a final push on an already great sounding card. I have no regrets.

    I'll provide an update in a weeks time after some more listening and a view on the home cinema sound.

    DTTB
     

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