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Thread: any sa-xr570 owners bi-amp their 340s?

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  1. #1
    Join Date
    May 2006
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    Default any sa-xr570 owners bi-amp their 340s?

    I tried it today and notice an overall improvement in sound. I know there are a love hate relationship with digital amps. What are acendies view on them?
    yamaha rxv 2400
    Ascend cmt 340 LCR
    acoustic research s20 surrounds
    Polk Audio PSW 404 (only thing that fit in my system)

  2. #2
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    Dec 2005
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    I can't bi-amp my speakers since they are the smaller 170s =P

    However, how would you describe the difference with bi-amping? Less distortion? Louder? Brighter?

  3. #3
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    I am not using digital, but I have been using NuForce amps for the L/R channels, which are class D, and just switched to an ICEpower based amp which is also class D.
    -curtis

  4. #4
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    I don't want to take things OT (okay...I do ), but, Curtis, I'm curious if you've noticed any differences between the NuForce and the ICEpower-based amps. Was it a positive change for you? I'd love to upgrade to some separate amps for my L/R/C in the future and I like what I've been seeing about these class D setups.
    Jon O.

  5. #5
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    Quote Originally Posted by Jonnyozero3
    I don't want to take things OT (okay...I do ), but, Curtis, I'm curious if you've noticed any differences between the NuForce and the ICEpower-based amps. Was it a positive change for you? I'd love to upgrade to some separate amps for my L/R/C in the future and I like what I've been seeing about these class D setups.
    Well, the amp has more than 5x the power.....so I tried some crazy high volumes for a few seconds and everything sounded clean and effortless.

    I could also swear I hear more detail....especially on not so good and older recordings, because I think I hear more "crap". When I get the chance, I am going to try and test this out.

    The NuForce amps sounded great, but they also had a couple of quirks.
    -curtis

  6. #6
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    Sweet. The detail thoughts are intriguing. What are "crazy high volumes" for you? I've found that hitting ~95dB with my 170s makes them sound strained.

    I didn't know the nuforce amps had quirks....care to share the dirt on them?

    Mark - I aplogize for the OT...
    Jon O.

  7. #7
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    Mar 2005
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    Quote Originally Posted by mark
    I tried it today and notice an overall improvement in sound. I know there are a love hate relationship with digital amps. What are acendies view on them?
    I bi-amp my 340s with my xr55 and do notice a slight improvement too. The electronic phase correction feature is pretty cool but I can't honestly say I hear any difference when I use it. The High/Low Frequency Balance controls make more of a difference, I have it set so that slightly more power goes to the woofers than the tweeter.

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