Re: ideas for securing speaker to entertainment center (toddler proofing)
I would just use some blu-tack adhesive to couple the speakers to the surface of the stand. I used this stuff to attach my speakers to some stands. Works great and it is also removable if you ever need to move the speakers.
http://www.amazon.com/Blu-Tack-Reusa...words=blu+tack
Andrew
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TV: Panasonic VIERA TC-P55ST30 55-Inch 1080p 3D Plasma
Receiver: Onkyo TX-SR706, Emotiva XPA-5 Gen 2, Blu Ray: Sony BDP-N460
Fronts/Center/Surrounds: Sierra Towers Nrt, Sierra-1, HTM-200
Sub: HSU VTF-3 MK-4