The following will come as no surprise: I'm no engineer. But I've met some fascinating people and learned just enough to be dangerous. (To me, learning is like music: It keeps you alive.)
With the Richard Gray's Power Station, certain issues immediately presented themselves: First, what exactly is the energy-storage capacity of the 400S? This is actually a question of relatively simple physics and mathematics, and neither subject is a forte of mine. But they are of Stereophile's Shannon Dickson, who explains it quite succinctly:
"The calculations are…