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Below the bottom woofer is a bass reflex port. 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.
The isobaric loudspeaker configuration was first introduced by Harry F. Olson in the early 1950s, and refers to systems in which two or more identical woofers (bass drivers) operate simultaneously, with a common body of enclosed air adjoining one side of each diaphragm. In practical applications, they are most often used to improve low-end ...
A transmission line is used in loudspeaker design to reduce time, phase, and resonance related distortions, and in many designs to gain exceptional bass extension to the lower end of human hearing, and in some cases the near- infrasonic (below 20 Hz). TDL's 1980s reference speaker range (now discontinued) contained models with frequency ranges ...
Speaker's State Coach (2023) The coach awaiting Mr Speaker Gully, on the occasion of Queen Victoria's Diamond Jubilee in 1897. The Speaker's State Coach, built in 1698, is the oldest of the state coaches of the United Kingdom. It is decorated with elaborate gilded carvings and allegorical paintings by Giovanni Cipriani.
Loudspeaker. The hole below the lowest woofer is a port for a bass reflex system. A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustic transducer [1] : 597 that converts an electrical audio signal into a corresponding sound. [2] A speaker system, also often simply referred to as a speaker or loudspeaker ...
A Speakers' Corner is an area where free speech open-air public speaking, debate, and discussion are allowed. The original and best known is in the north-east corner of Hyde Park in London, England. Historically there were a number of other areas designated as Speakers' Corners in other parks in London, such as Lincoln's Inn Fields, Finsbury ...
Designing, Building, and Testing Your Own Speaker System with Projects by David B.Weems (McGraw-Hill/TAB Electronics, ISBN 0-07-069429-X) Loudspeakers, Dynamic, Magnetic Structures and Impedance EIA RS-299-A standard; External links. Article about effect of speaker impedance on amplifiers; Essay on variations in loudspeaker impedance
Official seal of the Speaker of the United States House of Representatives. Sam Rayburn, longest serving speaker of the House, 17 years, 53 days (cumulative) Tip O'Neill, longest uninterrupted tenure of office, 9 years, 350 days. Theodore M. Pomeroy, shortest tenure of office, 1 day. Rank.
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