Recent content by Zeotrope

  1. Zeotrope

    Nagra HD phono prototype

    Great, good to know. It's amazing how even a small change (5-10 ohms) is audible.
  2. Zeotrope

    Nagra HD phono prototype

    @jfrech how do you set Load? I usually start at 75 and then go down if I hear too much treble or if the sound is “thin”. Interestingly, sibilance or distortion can also be fixed by lowering the load. With the previous phono stage, I guess it was distorting, and it had nothing to do with the...
  3. Zeotrope

    Grand Prix Audio Monaco 3.0 turntable

    Pricing?
  4. Zeotrope

    Metaxas Papillon

    Interesting, thanks. Again, weighing curves make a big difference, so it's difficult to compare just the % numbers. When you say anything like 0.15% is sub par, but your Ampex measures 0.7%, are you saying it's sub-par? Or did you mean 0.07%? And again, the Papillon is 0.09%. So it's the same...
  5. Zeotrope

    Metaxas Papillon

    What is the weighing curve used on the W&F measures you quoted from Nagra? Was the tape started and stopped with a series of measures taken? You don’t know because it was not disclosed. You obviously have not read the details of how W&F is measured from the link I sent. You don’t know what you...
  6. Zeotrope

    Metaxas Papillon

    Read the wikipedia link and it should be clear why W&F measurements are essentially meaningless when comparing across machines. Measuring using the same weighing on the same machine with the same tape is useful, as you can adjust and track changes over time. I am not comparing THD and SNR to...
  7. Zeotrope

    Metaxas Papillon

    The amps with the lower THD and SNR are usually not the best sounding. If you chase the specs, you are often doing so at the expense of sound quality. Usually, it's because you have feedback loops (like global negative feedback) that end up doing more harm than good. Look at DarTZeel's specs...
  8. Zeotrope

    AppleTV X - I am playing with something new

    Projector focus also makes a big difference; perhaps not surprisingly. Once I learned how to nail focus, and fed the ATVX clean power and clean Ethernet, OMG!
  9. Zeotrope

    AppleTV X - I am playing with something new

    Except the Lumagen 5348 which has very low jitter. I would bet anything the Trinnov or Dataset do not have this level of attention paid to noise: http://www.lumagen.com/docs/Radiance_Pro_5348_Introduction.pdf
  10. Zeotrope

    AppleTV X - I am playing with something new

    I can tell right away if the content is actually in HDR because I switch picture modes on the projector. If the extended color space (i.e., for HDR) is not used, the colors are off. I've never seen the Lumagen be wrong - if it's seeing an HDR signal from the ATVX, it will show it, or not. I...
  11. Zeotrope

    AppleTV X - I am playing with something new

    Yes, I don't disagree that a direct display will be superior to a projector (that said, JVC is killing it with a much better product than anything from Sony - I had a recent Sony laser (95ES) and the JVC NX9 and NZ9 are just much better in just about every way -- but not to digress...) One...
  12. Zeotrope

    AppleTV X - I am playing with something new

    Interesting. I haven't seen that personally, but you have to keep the Apple TV Setting set to "SDR". It will still display HDR if the show is in HDR. Confusing, for sure.
  13. Zeotrope

    AppleTV X - I am playing with something new

    Yes, well put. So @Steve Bruzonsky what you may in fact be seeing with HDR is more a reflection on the tone mapping your display or processor use. I always try to aim for watching "as the director intended" so if the content is HDR, I will watch in HDR. That said, I am not using the color...
  14. Zeotrope

    AppleTV X - I am playing with something new

    I love my ATVX as well. The image is sharper than Kaleidescape, and now with the Taiko Router, it's taken another leap forward (audio too is improved). I always leave the ATV setting on SDR, which means the ATV will still output HDR when the content is in HDR, but will output SDR otherwise. At...
  15. Zeotrope

    Metaxas Papillon

    Both Metaxas machines use Photovox heads, as Kostas prefers them to AMB; but AMB heads can be used. I don't know what model of head is used.

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