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When receiving the noise signal, the amplifier and subwoofers responded with sound pressures ranging from 100 dB to 120 dB. The resulting rumble could be felt by audience members as well as heard. [1] For the film Earthquake, Sensurround was activated during the quake scenes to augment the conventional soundtrack. [5]
Subterranean rumbling is a phenomenon in which the ground vibrates and makes sounds due to an earthquake.. During earthquakes or volcanic eruptions, the ground vibrates, sometimes creating short-period seismic wave motion (ground motion) that reaches the air and becomes sounds (sound waves), and low sounds can be heard.
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
The Cerwin-Vega brand was split for some time across two companies; Gibson for Cerwin-Vega and CVDA Holdings for Cerwin-Vega Mobile. In both lines their products are mostly known for its woofers and subwoofers capable of delivering high sound level output with comparatively low frequency ranges using comparatively low power input, as well as the red ring commonly found on the surround of many ...
A huge financial success, earning more than $100 million ($713 million in 2022-adjusted dollars) at the box office, the film was directed by George Seaton and starred Burt Lancaster, Dean Martin, George Kennedy, Jacqueline Bisset and Helen Hayes. While strictly not even a disaster—an airplane crippled by the explosion of a bomb—the film ...
A loudspeaker enclosure or loudspeaker cabinet is an enclosure (often rectangular box-shaped) in which speaker drivers (e.g., loudspeakers and tweeters) and associated electronic hardware, such as crossover circuits and, in some cases, power amplifiers, are mounted.
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