Assertion: subwoofer's enclosure | /r/CapableOf | nickname the voice of the theater
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text: Prior to the development of the first subwoofers, woofers were used to reproduce bass frequencies, usually with a crossover point set at 500 Hz and a 15" loudspeaker in an infinite baffle or in professional sound applications, a "hybrid horn-loaded" bass reflex enclosure (such as the 15" Altec Lansing A-7 enclosure nicknamed the "Voice of the Theater", which was introduced in 1946).