Analysis Of A Sub-Woofer And Do I Need One

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What is a Sub-Woofer and Do I Need One? by Jesse Bereta In 1974 director Mark Robson was making a star-studded disaster film known today as Earthquake. Robson wanted the film to be an experience for moviegoers by having the theatres actually rumble with the film. He enlisted the help of Sensurround. Sensurround installed loudspeakers called sub-woofers into the theatres. During loud deep rumblings, filmgoers could feel their seats shake due to the large sound waves. Today we have seats that move and theatres that can create atmospheric changes like the wind, water, and scents. But in 1974 the sub-woofer was a revolution in the movie experience. The sub-woofer, or sub, is a speaker that is designed with the specific purpose of delivering

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