Chord Electronics Qutest DAC - Official Thread
Feb 13, 2018 at 10:39 AM Post #601 of 6,744
Another video posted, not much about sound.

 
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Feb 13, 2018 at 2:20 PM Post #605 of 6,744
Screenshot-2018-2-13 Chord QUTEST Dac.png


serial number 34357.....looking for a complete review soon
 
Feb 13, 2018 at 11:37 PM Post #608 of 6,744
thanks at last something interesting

I was a bit stunned by the reviewer's statements and comments

especially this: "Interestingly (I guess) the best I heard from the Qutest came when I wound up HQPlayer to DSD512 and fired bits at the Qutest at 22megabits per second - which goes completely against the official guidance from Chord/Watts. Maybe Rob would explain that I need the MScaler and a million taps instead."
I wouldn't put much into this. There is no doubt that the source quality in clocking and power still matters when streaming to the Qutest, regardless of G.I.. Thus the reviewer was streaming from a noisy source to begin with, probably the same computer they used to upsample with HQP. Basically it says nothing, and if one was to use a lower power PC with good clocking and power, it would blow away the HQP upsampling/filtering, in bit perfect streaming, with a Chord DAC.
 
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Feb 14, 2018 at 2:54 AM Post #609 of 6,744
At the same time though, it was the same (noisy or not) computer used to stream both the standard and upsampled content.
In theory, when the content is upsampled the computer gets even noisier. So hearing a better(I know this is subjective) result is even more curious.

Last but not least I doubt that someone who builds DACs from kits would be unable to optimize a computer for audio (Linux was mentioned so already a good sign).

I wouldn't put much into this. There is no doubt that the source quality in clocking and power still matters when streaming to the Qutest, regardless of G.I.. Thus the reviewer was streaming from a noisy source to begin with, probably the same computer they used to upsample with HQP. Basically it says nothing, and if one was to use a lower power PC with good clocking and power, it would blow away the HQP upsampling/filtering, in bit perfect streaming, with a Chord DAC.
 
Feb 14, 2018 at 5:54 AM Post #611 of 6,744
Proly not seen a DAC connected up quite like this. I just don't like to hear analog cable so Qutest feeds directly into my active speakers.

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Figured I won't have time to experiment with power supplies and also I am unaware how vulnerable the rest of my system is to noise so therefore, Qutest is being powered from an iFi iPower 5v rather than stock supply. And I expect it will be a while before any critical listening can be done but meantime, it will hopefully get around 40 hours burn-in this week alone. I am new to Chord so unfortunately will be unable to compare against other Chord DACs. Initial impressions are positive. Tried to gather a few words from the audiophile vocabulary to sum up but suffice to say at this point that overall finesse and articulation remain unhurt but whatever I played sounded nicer - as if instruments got upgraded/oiled up and vocals had more emotion :). Have to say I have done the Linn journey all the way to all-aktiv but never quite enjoyed the end result because it has always been a sacrifice of transparency. PRAT, I think I am going to keep you this time...
 
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Feb 14, 2018 at 12:33 PM Post #612 of 6,744
In regards to power supply options, when I'm able to buy the Qutest, I'm considering pairing it with the iFi nano iUsb. It seems like it could be a good value since it can feed cleaner USB signals and provide 5V USB power via the second output. It may even be a little overkill.

I've already traded down from my more expensive amp to free up funds for the Qutest. I'm just waiting for the official U.S release before I put my Mojo and Elear up for sale.

It might seem a little odd using the Qutest with a much cheaper amp (in my Sig now), but using the new amp with the Mojo, I feel like it's plenty transparent to source. I usually try to prioritize source quality over amp anyways.
 
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Feb 14, 2018 at 12:56 PM Post #613 of 6,744
never mind
 
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Feb 15, 2018 at 10:02 AM Post #614 of 6,744
Another video posted, not much about sound.



Just watched his updated video of demo tracks. Isn't this useless since the sound quality is only has good as what your system can get through Youtube?
 
Feb 15, 2018 at 2:58 PM Post #615 of 6,744
Just watched his updated video of demo tracks. Isn't this useless since the sound quality is only has good as what your system can get through Youtube?
I haven't watched this video, but many demo videos are potentially misleading, in that the sound is recorded via a phone mike>converted to digital by the phone ADC>maybe converted further to a youtube compatible format> then when played back by phone/laptop/tablet, there is a further conversion by DAC, and potentially playback via crappy phone/tablet speakers.
All these opportunities to degrade the original source music signature, are conveniently forgotten, by the original enthusiast who recorded the video.
 

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