Ah, okay, so it isn't the two-poles-vs-one-pole. Gotcha.
A one pole design would look good if it could be done.
A simple way to do it would be to have a base, one pole and on the top a plate to support the back of the QS8s with 2 anchors as found on the T-bracket.
Bruno M80s/VP180/QS8s/EP600/AVR-890 ------------------------------------ "The problem is choice..."