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The reflex principle was used in compact superheterodyne radio receivers from the 1930s [10] and continued into the 1950s, [11] until at least 1959; [12] the intermediate frequency amplifier stage was also the first audio frequency stage using a reflex arrangement. That arrangement provided similar performance, in a four-tube radio, as one with ...
Audison is one of the brands of the Italian company Elettromedia s.r.l., a manufacturer of car audio products. The company was founded in 1979, but Audison name (born from Latin words Audio and Sonus) was registered in 1984. Currently Audison has different kinds of mobile audio products: amplifiers, audio processors, speakers and subwoofers.
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A radio-frequency power amplifier (RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency (RF) signal into a higher-power signal. [1] Typically, RF power amplifiers are used in the final stage of a radio transmitter , their output driving the antenna .
On July 11, 2005, Altec Lansing Technologies announced that it was to be acquired by Plantronics for approximately $166 million. [19] On September 10, 2008, Altec Lansing Technologies went through a corporate makeover changing its name to Altec Lansing LLC and its logo from a "whirlpool" to an abstraction of a multi-cellular horn.
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The Roland Micro Cube, left, a small and portable digital modeling amplifier. Digital amp modelers Standalone modeling devices such as the Line 6 POD and Fractal Axe-FX digitize the input signal and use a DSP, a dedicated microprocessor, to process the signal with digital computation, attempting to achieve the sound of expensive professional amplifiers in a much less costly and more compact ...