Do the "T" Brackets allow you to adjust the level of the QS8's or do they just stick straight forward? I'm going to mount mine about a foot from the ceiling and was wondering if I could use the brackets that come with them or if I had to buy ones so that I can aim them down towards the listeners.

Receiver: Yamaha RX-V2200
Main: Axiom m80
CC: Axiom VP150
Surround: Axiom QS8
Sub: SVS PC13-Ultra