Since we are going further into this "investigation" ... I want to quote more info from another forum member from the DX3Pro+ thread.
Is what he described for Topping Balanced DAC's output signal confirmed and widely known?? (ie. The Hot and Cold legs of each channel is NOT an identical/inverted signal but whatever is coming out from the DAC chip directly without summation/inversion)
Guess you know my next question: If above is indeed true -> What will happen when you feed such Balanced output from a Topping Balanced DAC into a Topping PA5??
Topping DX3 Pro+ Review (DAC & Headphone Amp)
if you choose method 2) it's extremely safe and there will be no disadvantage. it's called "impedance balanced" and many professional audio equipments are wired this way. it has all the nice properties balanced output has, such as common mode noise rejection, ground loop elimination, etc. See...
www.audiosciencereview.com
Is what he described for Topping Balanced DAC's output signal confirmed and widely known?? (ie. The Hot and Cold legs of each channel is NOT an identical/inverted signal but whatever is coming out from the DAC chip directly without summation/inversion)
Guess you know my next question: If above is indeed true -> What will happen when you feed such Balanced output from a Topping Balanced DAC into a Topping PA5??