AC - DC adapter

So how is a source to the left at the same distance then?

You don't half look stupid when you ask questions like that.

They are all on the same shaft so they all start at the same time.

And a little further down the same article:

"Now, even if the phase is linear (simply an overall delay), we can easily detect a phase difference if we have a reference. For instance, you can get closer to one of your stereo speakers than the other; even if you use the stereo balance control to even the relative loudness between speakers, it won?t sound the same as being equidistance [sic] between them."

Andy

Thats a very very likeable word is Backhaul

TV sound being of course AM too in those days. In Aberdeen (where I played with these tests) the landlines to the transmitters determined the upper frequency cutoff - rather than the TX medium. Was quite a revelation on FM when they did a local opt out with only a few miles of cable rather than hundreds. ;-)

Yup. One reason why 'stereo' created by pan potting mono sources isn't that good.

No need to say woosh with you, it's pinned to your jacket.