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A piezoelectric speaker (also known as a piezo bender due to its mode of operation, and sometimes colloquially called a "piezo", buzzer, crystal loudspeaker or beep speaker) is a loudspeaker that uses the piezoelectric effect for generating sound. The initial mechanical motion is created by applying a voltage to a piezoelectric material, and ...
A tweeter or treble speaker is a special type of loudspeaker (usually dome, inverse dome or horn-type) that is designed to produce high audio frequencies, typically up to 100 kHz. The name is derived from the high pitched sounds made by some birds (tweets), especially in contrast to the low woofs made by many dogs , after which low-frequency ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Piezoelectric_speakers&oldid=677782584"This page was last edited on 25 August 2015, at 13:48
A widely used artificial food dye could soon be outlawed. The U.S. Food and Drug Administration (FDA) is moving to ban an artificial food coloring called Red No. 3, also known as Erythrosine. The ...
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The studio's flagship title was Animal Jam Classic (formerly "Animal Jam" before April 2020). [4] Animal Jam Classic is a virtual world for children, being developed within a partnership with the National Geographic Society. Users are placed in an online world called Jamaa, and are presented with a number of games, spaces to interract with ...
Texas College Student with Peanut Allergy Died After Undisclosed Restaurant Changed Its Recipe, Say Parents
By Leah Douglas and Julie Steenhuysen (Reuters) -California's public health department reported a possible case of bird flu in a child with mild respiratory symptoms on Tuesday, but said there was ...