"Earthquake Sound Home Theater Speaker Reviews"
A company producing amplifiers of 5000 or 10000 watt power cannot be questioned on its expertise when it comes to reviewing home theater speakers.
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However, since hearing by the human ear perceives increases in sound intensity logarithmically, 10000 watts does not convert to equally high decibels, which is the measure of the sound intensity levels as perceived by the ear. Nevertheless the challenge in making home theater speakers or systems capable of generating such high intensity watt power lies in the technique developed with respect to electricity efficiency, which influences the voice cone's susceptibility to a burnout.
The difficulty of this goal can only be appreciated with the realization that normal or average systems achieve an electrical efficiency of around 5 % to a maximum of 20%. In rendering watt powers like 10,000 a minimum efficiency of atleast 70% is required, failing which the major part of the electrical energy gets converted to heat energy, as opposed to the intended acoustic energy, resulting in total burn out of the voice coils and other speaker components.
These features need to be also supported by specialized crossovers and multiple amplifiers to ensure the efficient functioning of the component drivers like sub woofers and tweeters which handle extreme frequencies on either side of the audible range. The Earthquake sound manufacturer has obviously named the earthquake sound home theater speakers appropriately, since the sound intensity capabilities is indeed mind blowing when compared to normal home theater speaker systems.