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  1. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    The S/PDIF cable took 13 days to get here and it works with no problems. I have not done extensive testing but it looks well build, does the job, and it comes at an attractive price.
  2. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Thanks for all the suggestions. Given there is no guarantee and returns are a hassle, I give this budget option a try.
  3. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Cool thank you. So they state THD+N@1kHz@-.5dbFS BW 22-22kHz .00014%, SINAD 117db typical for 24b/44.1kHz@no-load on an unbalanced out vs. the THD+N@1Khz 0dbFS 10Hz-20kHz 0.000116% -119db on balanced out measured by L7audio for the W2. THD+N@1Khz 0dbFS 10Hz-20kHz 0.000303% -110db on...
  4. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Most people seem to agree Mobile Market share by OS :beyersmile: However, the 22% of users who can afford an Iphone probably also represent a good share of the people who could spend $299 on a dongle.
  5. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    I wonder whether L&P could explain in technical terms what the difference is between the Tune choices of 01 and 02. Is there a passthrough mode?
  6. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Interesting, that is what headphone, connected to which port, at volume 74?
  7. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Thanks, yes I do know just to lazy to fiddle around :relaxed: And agreed this does not seem to be designed for Iphones...
  8. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Okay, here are the findings. It is a bad news/bad news result for the Iphone 12 Pro Max and good news/good news for the S20 Ultra. With the Iphone the voltage provided to the W2 is a low 3.76V at 0.24A and Volume at 93 is the last setting at which it is stable for me with the HE1000se (32 Ohm...
  9. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    I managed to get hold of my wife's IPhone again but then I realized my USB power meter only has male input connectors, so I need a USB-C female-female coupler to connect the L&P lightening cable. I will order that piece and report back.
  10. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    If I am not mistaken then the HE1000se has an impedance of 35 Ohms. I did my test on the balanced output? I will repeat the experiment with a USB power meter in the chain. Then I can try the W2 direct ly connected to the IPhone or with a power bank/hub in the middle to see whether that makes...
  11. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    You are connecting the W2 to an IPhone and when you raise the volume on the W2 over 85 it starts distorting due to lack of power via the USB port? Which IPhone model and what headphones are you using? I just tried this with my wife's IPhone 12 Pro Max and an HE1000se. I don't have Neutron on...
  12. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Looking at the photos on the ALI site for this adapter there is a great idea for a cellphone centric case for the W2. A silicon case with rubber suction cups like the one in the picture would make for a very nice mobile rig.
  13. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Thanks for the correction! So the main difference is the dual dacs leading to a reduced noise floor.
  14. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    The measurements on L7audio for the W2 show 235mW@32 Ohm for the balanced and 135mW@32 Ohm for the unbalanced output. There is no data for the W1 but since there is only unbalanced available on the W1 the output power is likely close to 135mW.
  15. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    It does not sound 10x better:relaxed: but audio like cars is a game of diminishing returns. With the progress that has been made in the last 2 years I would not buy the Hugo 2 again.
  16. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Are you doing the comparison with the Hugo 2 with the unbalanced outputs? I bought the Hugo 2 as a complement to my Focal Utopia and that combo works very well since the Hugo 2 is a bit on the warmer side. However, I could not say the Hugo is more resolving compared to driving the Focals...
  17. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Thank you for the detailed impressions. So really no surprises given the sound signature of the original HD800. I have a similar impression with the Focal Utopia which are also a bit trebble hot. With the W2 that is a bit too much. I have all my phones with balanced cables and there is no lack...
  18. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    Peace, I am just confirming that there is synergy to be had. btw. It helps to add the link to the site where the graph was taken from. Here is the text above that graph on DYI Audio heaven :wink:
  19. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    This is similar to my experience on the Focal Utopia which are only slightly treble forward. The ATH-SR9 actually has a rather non neutral tuning Audio Technica ATH-SR9 These are bass shy and have significantly exaggerated treble so any analytical DAC will likely be uncomfortable. Few DACs...
  20. thomaspf

    Luxury & Precision (LP) Portable USB DAC/AMP W1 and W2 (The new W2-131 Version is Available, Related Info on Post #1)

    The W2 works nicely with my S20U and the Neutron player. With a 1TB microSD card that is a nice portable rig...
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