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music. v. t. e. The speeches and debates of Ronald Reagan comprise the seminal oratory of the 40th President of the United States. Reagan began his career in Iowa as a radio broadcaster. In 1937, he moved to Los Angeles where he started acting, first in films and later television. After delivering a stirring speech in support of Barry Goldwater ...
Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...
Up to eleven. " Up to eleven ", also phrased as " these go to eleven ", is an idiom from popular culture, coined in the 1984 film This Is Spinal Tap, where guitarist Nigel Tufnel demonstrates an amplifier whose volume knobs are marked from zero to eleven, instead of the usual zero to ten. In 2002, the phrase entered the Shorter Oxford English ...
Horn loudspeaker. A midrange horn driver used in a home speaker system from Klipsch. The width of the front opening is roughly 46 cm. How a horn loudspeaker works. (A) compression driver (B) horn. A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element (s).
Plasma speakers or ionophones are a form of loudspeaker which varies air pressure via an electrical plasma instead of a solid diaphragm. The plasma arc heats the surrounding air causing it to expand. Varying the electrical signal that drives the plasma and connected to the output of an audio amplifier, the plasma size varies which in turn ...
The iPhone 11 is a smartphone designed, developed, and marketed by Apple Inc. It is the thirteenth generation of iPhone, succeeding the iPhone XR, and was unveiled on September 10, 2019, alongside the higher-end iPhone 11 Pro at the Steve Jobs Theater in Apple Park, Cupertino, by Apple CEO Tim Cook. Preorders began on September 13, 2019, and ...
"'I'll just do what I usually do, toss my mic in the air. Or sometimes I'll spin, or, I don't know, toss my mic," she says. "It's just getting the energy out after I just went on live TV and ...
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 ...