The water used to make your whiskey....

(Photo courtesy of James Transformer Manufacturing)

"AC power is the raw material for the output of the component. Make beer, wine, scotch or bourbon with bad water and you get a bad product. Make an audio component with a generic off-the-shelf toroidal transformer and you are going to get a generic sounding component. It won’t be terrible, but it will fail to scale the heights of what is possible." (Doug Blackburn of Soundstage)