Hi Matt, no problem of course, it is a discussion forum after all. When you record the ethernet AIR input using the USB output of the Devialet the music signal remains in the digital domain where I believe no differences should be seen if the conversion from ethernet to USB inside the Devialet itself is of course also bit-perfect. Again I believe differences are most likely the result of analog signal interference that perhaps induces jitter or dirties the ground planes affecting the D/A process or analog output signal out of the DAC into the amplifier circuits and maybe even these amplifier circuits themselves.
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