Hello - I am planning to get a Tone Board for use as an outboard DAC with a CD Player (the CD player would just be used as a transport). I would input the SPDIF signal into the Tone Board via the Coax/RCA plug, and power the Tone Board via the USB input. Is there any reason this set up would not work?
In order to do this, I will need a USB power adapter to power the Tone Board from a wall outlet. Two questions:
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I believe that the Tone Board requires a 5 volt 0.5 amp power supply. Would there be any problem using a power adapter with a higher amperage rating (1.0 amp, 1.5 amp, or even the 2.0 amp USB power adapter that Khadas sells)?
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Will the quality of the power adapter make any difference to the sound of the Tone Board? Would there be any advantage, say, to using a battery power supply instead of a wall current power adapter? Or is the Tone Board not sensitive to the quality of the incoming current which powers it?
Thank you!