Wayne Parham Messages: 18787 Registered: January 2001
Illuminati (33rd Degree)
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100 watts is more than adequate - I run mine with 10 watts.
You can setup with them upside down if on high stands, but I think the front mains sound best when at approximately the same height as the screen, maybe even a smidge lower, like level with the bottom edge. I like the surrounds slightly elevated.
More setup details and technical information at the link below: