I'm at the point where I don't know if I don't write clearly, or people just don't read and comprehend clearly ...
In my original post I said:
I think the stereo aspect is more for the player, than the audience ... and I repeat: I KNOW MY RIG SOUNDS BETTER WHEN I AM USING TWO SPEAKERS, FED THROUGH BOTH THE LEFT AND RIGHT OUTS OF MY KB ! but as for the audience hearing left/right stereo, I don't think so ...
JMHO ...

I respect everyone's opinion, but I have to ask those of you who said "my audience would know the difference", unless you have played for the same audience in both mono and stereo, how could they possibly tell the difference?
And yes, stereo sounds better because you are using the sounds of the KB to their fullest, but even when you are using stereo, do you REALLY think that someone in the audience is listening and thinking "Oh I heard that 'voice' from the LEFT speaker and I heard this other 'voice' from the RIGHT speaker" ... THAT'S my point, and as I said earlier, I think not ...
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t. cool