Is it logical that I reckon that I hear a difference in SQ between Spotify and Tidal?
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On the right gear, the difference is clearly audible. So if you usually hear differences between gear, you should hear this one as well. If you know what to listen for, that is.
As for PC, Spotify do not support ASIO, while Tidal does. If you go Tidal Hi-Fi on top of that, you do not need much gear to hear the difference.
Or put in a broader perspective: The difference is just as great as changing from mid range gear, to higher end gear. The difference is greater than going from a low end cable to the highest end cable. In short, if you do not hear this difference, hi-fi is not for you.
Typically, the church of denial, is all over people hearing the difference. But the difference is documented quite well.
Also, the Spotify lossy compression, loses parts of the music that is less characteristic for voices and instruments. A perceived increased in clarity and separation, is a common experience, going from lossless to lossy. Mp3 is designed to do just that, and OggVorbis obviously has much the same effect. This effect is not that easy to pinpoint on lower end gear, and easy to get wrong.
For the fruity gear, I simply do not know. I am all about candy and Android. The difference is like night and day, with the Note3 and the MM400. The headset did cost me about the same as the mobile phone. I did try plenty of headsets for that mobile phone, but only the MM400 exposed Spotify for real.
I would also like to point out the obvious: Spotify is ten times greater as to point you to potential new music to listen to. For ordinary people, with ordinary gear, I would point them to Spotify for that reason alone. Compared to Spotify, the Tidal App is lacking on all fronts but SQ. I actually used Spotify to find new music, then added that to my Tidal playlist, just prior to writing this.