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Interconnects, speaker wire, power cords. Ask the Cable Guys.

Re: How is it that power cords can make a sonic difference???

You say:

"So what matters from a local perspective, that is, what is relevant AT YOUR HOUSE, is that there is a step-down transformer outside your house that is the local low impedance source for the AC power, and it is this low impedance step-down transformer source that is actually the 'beginning' of the AC power chain AS FAR AS YOU IN YOUR HOUSE ARE CONCERNED"

This would indicate that the arguement for only concerning oneself about the last few feet of cable is valid only in US. In UK we have the full 240 volts from a substation several miles away where it is lowered from high voltage to 240. So, following you arguement, we have to upgrade the entire cabling from the substation to improve our supply. Sorry - wrong.

Your arguement against DC appears to be flawed also. No one is suggesting the DC should be used in place of AC for household supply - your point about the guy at the end of the street getting a lower voltage is correct, but irrelevent. DC can, and really should be used as a stand-alone source of power for hi-fi. Why use AC and convert it to DC inside the box if you could use DC to start with? It's the "convenience" of not having to deal with batteries that keeps AC king of the power supply.

If AC really was as bad as cable vendors claim, then equipment makers would simply use DC. Truth is that AC is not the devil you make it out to be. One of the best sounding rooms at the Heathrow Hi-Fi Show last weekend used no mains conditioners and OEM cables throughout. Now, cable vendors would have a field day in pointing out that the supply in an airport hotel full of hunderds of audio systems is poluted to the extent that results would be unlistenable to. Not so!

Peter



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