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在家庭影院的音响器材中,超低音音箱是AV迷又爱又恨的对象,俗称“低音炮”,炮者,说明超低音音箱在系统中与“震撼”结缘。在专业的电影院中,之所以可以重放出侏罗纪公园中恐龙令人惊悚的脚步声,阿波罗13号升空时强烈的气浪声,鬼入侵中令人窒息的阴森气氛,U-571中扣人心弦的深水爆炸声,全有赖于在影院的音响系统中使用了多只超低音音箱和多路高功率的扩音机,共同营造出惊心动魄的音响效果。通常,在电影音轨中,超低音的能量主要集中在60Hz左右,不少影片中甚至含有低至20Hz的信息,现场的最高声压
In the home theater audio equipment, subwoofer is the object of AV fans love and hate, commonly known as “subwoofer”, gunner, subwoofer in the system with the “shocking” affinity. In a professional movie theater, the horrifying footsteps of the dinosaurs in the Jurassic Park can be reproduced. The intense sound of waves at Apollo 13 ascended and the inhospitable and gloomy atmosphere of the ghost invasion U-571 The heart-thumping deep-water explosion relies on the use of multiple subwoofers and multiple high-power amplifiers in the theater’s sound system to create breathtaking sound. Typically, in the movie soundtrack, the subwoofer energy is mainly concentrated in the 60Hz or so, many movies even contain as low as 20Hz information, the scene of the highest sound pressure