Do good power cords have to be stiff?

In regard to having a power cord of heavy gauge (in the vicinity of 10, more or less), how many amps (or watts, probably easier to add up or check) do folks stereo systems require from the mains?

My own modest setup (Class A tube amp is the biggest draw card) I’m at less than 500 watts.

At 120 V, that’s a tad over 0.4 amps.

At 240 V, about 0.2 amps.

Off topic, I know, but kinda related.

+1 Pokey77, (Audio Envy)

I’ve also read from a few manufacturers that if your power cords seem too stiff, it might be that your equipment is too close to the wall, and there are lots of nasties in wall you don’t want too close to your gear...

Less Loss cables, made in Lithuania use a braided construction and are extremely flexible.

Stiffness of a power cord has no effect on the sound. It only changes the mechanical characteristics and makes it easier to handle. As long as the current rating of a cable is not exceeded, the rest does not matter electrically & sonically.