pmboyd .... ok let me do some explanation....
any DAC circuit is powered by 2 or 3 low voltage lines 3.3 V, 5V and 12V.
most likely 120-220 Volt AC line(that is where you connect your supper expensive AC cable) goes to switch mode power supply circuit ... the output of that supply is 15-16 volt DC or additional 7V DC. those 1 or 2 lines are used to produce lower desired voltages (3.3V or 5V or 12 V ..whatever needed) ... DC regulator ICs + electrolytic capacitors + ceramic type capacitors are used to make those DC supplies free of any "noise" low frequency or high frequency . ONCE AGAIN POWER SUPPLY AC CABLE (CORD) CAN NOT AFFECT THE QUALITY OF THOSE DC LINES AND SOUND QUALITY !
it is a scientific fact...Blind test will prove me right.
those who detect differences in sound (different sound level or "improvement " in sound quality) with different AC cords ... please see psychiatrist .
