David Pogue, one of my readers, suggested to me “the cheapest tweak” that he’s ever tried and I thought it might be interesting, this fine Sunday morning, to give this tweak a try if you’re looking for something to do. […]
Cheap tweak indeed… Cross your eyes and dot your t’s. Or is that close your eyes and cross your tweeters?? 
I have often thought that this type setup would be good for expanding the sweet spot.
J.P.