A piece of hardware intended for the purpose of supporting an object (usually a single fixture or vertical truss).
Base plates for single units can be purchased, microphone stand bases, or made of plywood.
Altman B-10,
In a pinch, even a counterweight can be used.
Base plates for truss are usually steel and measure 30"x30" to 48"x48".
http://www.fullerstreet.com/Rentals...l/baseplates/TrussRental1230x30baseplate.html
Base plates for single units can be purchased, microphone stand bases, or made of plywood.
Altman B-10,
In a pinch, even a counterweight can be used.
Base plates for truss are usually steel and measure 30"x30" to 48"x48".
http://www.fullerstreet.com/Rentals...l/baseplates/TrussRental1230x30baseplate.html