US Patent 7703729 Universal vibration control stand for high quality audio equipment

A universal height adjustable device for controlling the effects of vibrations on vibration sensitive audio equipment, particularly loudspeakers, by dampening the vibration and eliminating or minimizing the acoustic feedback, producing quality sound without distortion. This device is a collection of embodiments comprising of a centerpiece to hold the arms, feet to support the entire system, and swivel seats assembly with a right angle cut to allow the audio equipment to rest on. This device aims to preserve the acoustic advantages of spikes in a novel manner, without damaging the floor or modifying the loudspeaker enclosure which causes damage.