Each ISO-Bearing will support 4.4 pounds (use three supports under a 12 pound CD player. A 30 pound amplifier needs seven supports.) For proper performance, ISO-Bearing globes should be distributed under the sources of vibration. The shelf holding the equipment must be level.
"Another valuable tweak tool in the well equipped audiophile arsenal"..."More effective than Sorbothane." - Bound For Sound 2a 94
"I attribute much of this turntable isolation to the AudioPrism Isobearing support globes. If there's one thing they are not "dampening" it's my enthusiasm for vinyl reproduction." - Audio Ideas Guide (Canada) Winter 97 Issue