On Monday, 18 December 2017 17:00:37 UTC, Rod Speed wrote:
"whisky-dave" wrote in message
...
On Friday, 15 December 2017 17:54:23 UTC, Mike Clarke wrote:
On 15/12/2017 16:06, whisky-dave wrote:
Apparently human ears can't detect the differnt phase so it shouldn;t
make a differnce.

They can certainly tell the difference if the left and right hand
channels are out of phase.

What do you mean by out of phase ?

With a two speaker system, both speakers should be moving
towards the listener at the same time. If you have the electrical
connection to one reversed, you get the opposite, out of phase.

So ?
Try it.
and phase has more than just two states of being in phase or out of phase.