I have recently had my basement finished, and purchased the QS8's for surround. I plan on mounting them with the full metal bracket, but because I do not have a wall to mount one of the speakers, I want to mount it to the bulk head which frames our air ducts. The stud is about 12 to 14 (vertically) inches long, will this be enough to support the weight of the QS8 given that the mount holds the speaker 2-3 inches from the wall. Worried about the amount of stress on the framing?

Seems as though the t bracket supports the weight right onto the drywall. I would mount it with the T Bracket but I only have 2 inches of clearance from the top of the speaker to the ceiling... the full metal bracket will allow me to direct the speaker down giving more clearance.

Any help would be appreciated.

Thanks.

Glenn