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About bobflood

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  1. Sounds like a ground issue. Instead of your XLR to RCA cable, you could try XLR cables and a pair of these. https://www.lundahltransformers.com/wp-content/uploads/datasheets/1584_x.pdf These are transformers that will combine both of the legs of the outgoing balanced signal and also lift the ground. XLR to RCA cables are notorious for causing ground loops.
  2. This sounds like a power blip. Check your power supply and if you have an alternate, power it with that and see if the problem persists. I had the same issue on my mR and it turned out my LPS-1was failing so Alex at Uptone replaced it as mine was still under warranty at the time.
  3. bobflood


    Post this in the HQP section of the Software heading. Nobody will see it here.
  4. bobflood

    HQ Player

    Same here and the new PS long filter sounds great.
  5. My guess would be either the IsoRegen or its power supply.
  6. Anyone know if there is a USB output capable version on the way? Also, is Amazon HD Music integration going to happen in the future?
  7. The Solaris is much more expensive, money that no doubt went toward better analog stage components, so it should sound better.
  8. If you are interested in a ladder DAC, check out the Holo Spring 2. I love mine.
  9. You are a retired scientist if memory serves and you write for an organization with the resources to do it.
  10. I have been thinking about his comment and your response. To be clear, I use HQP and I think it is a very good program. But, I also think it is very easy to be seduced by the power of big numbers. The idea that a 1.4 Mbps stream (44.1/16) raised to 90 Mbps via filters and dither will automatically sound better may not necessarily be true. I have experimented with my Spring 2 DAC and have found that many times using up-sampling does not improve the sound and sometimes as you found it makes it worse. On some material it does improve the sound. I now use no up-sampling (NOS) as my standard and I apply up-sampling selectively. At my age, my ears are acting as a filter as I no longer hear much above 10,000 Hz. I don't want to start an argument about all the ins and outs of up-sampling but I do want to make it clear that blanket assumptions about it may be wrong and case by case comparison is the appropriate method. Thanks again for a great review.
  11. This is one of the best reviews that I have ever read in my 50+ years in this hobby.
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