Can a power cord increase the resolution of an Class D (SMPS) amp by more than 5% ?


5% in relation to a stock power cord.

I can’t really trust dealer comments. I am more interested in reports from audiophiles. 
Whats your story? Did you manage to increase speed and resolution of your amp ? (without losses in the bass area)
zuio
geoffkait, you need to take a course or study the fundamentals of AC ie ALTERNATING CURRENT.  

The electrons in an AC circuit don’t really move along with the current flow. Instead, they sort of sit and wiggle back and forth. They move one direction for 1/60th of a second (60 Hz in the case of the US power system), and then turn around and go the other direction for 1/60th of a second. The net effect is that they don’t really go anywhere.

The electrons initially move in one direction, but then REVERSE themselves and move in the other direction (opposite the arrows on your wires).  The back and forth movement of the electrons in the circuit continues as long as the voltage continues to reverse itself. 

How can this company understand directionality in a place (AC current) where it does not exist?
azbrd
geoffkait, you need to take a course or study the fundamentals of AC ie ALTERNATING CURRENT.

The electrons in an AC circuit don’t really move along with the current flow. Instead, they sort of sit and wiggle back and forth. They move one direction for 1/60th of a second (60 Hz in the case of the US power system), and then turn around and go the other direction for 1/60th of a second. The net effect is that they don’t really go anywhere.

>>>>>I never said electrons flow through wire. Your statement is a Strawman argument. You might as well say the sky is not green.

The electrons initially move in one direction, but then REVERSE themselves and move in the other direction (opposite the arrows on your wires). The back and forth movement of the electrons in the circuit continues as long as the voltage continues to reverse itself.

>>>>>So what? I never said anything about electrons. The sky is not green.

How can this company understand directionality in a place (AC current) where it does not exist?

>>>>>>Many Cable companies, at least the ones that count, understand directionality. It’s you who doesn’t. As has been pointed out previously, almost all if not all places in an audio system where cables exist are AC. Hel-loo!
For the record, a minor correction to Azbrd’s post just above, with which I suspect he will agree: "1/60th" should be "1/120th," i.e., half of a cycle.

Regards,
-- Al


almarg
For the record, a minor correction to Azbrd’s post just above, with which I suspect he will agree: "1/60th" should be "1/120th."

Regards,
-- Al

I assume you mean aside from the fact that his entire post is a Strawman argument. To which I suspect you will agree. 😬
Well for some us the world is flat and others its round.

If you dont understand how electrons play a roll in an electric circuit how can you understand that arrows on a wire are meaningless.

60 hertz(meaning the current changes direction or polarity 120 times, or 60 cycles, a second). (In Europe, line frequency is 50 hertz, or 50 cycles per second.)

What is the definition of a "strawman argument"?  If you mean my point is based upon real science and understanding how AC current actually works and not some vudoo marketing pixie dust that this comment is based on:

"Ideally all cable manufacturers should control directionality for all of their cables, power cords, HDMI cables, interconnects, digital cables."

I would not want ANY cable in my system, home or data center that I work in that claimed to control directionality and as it turns out I don't and none of my other audio friends do either.