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A super tweeter is a speaker driver intended to produce ultra high frequencies in a multi-driver loudspeaker system. Its purpose is to recreate a more realistic sound field, often characterized as "airy-ness". Super tweeters are sometimes found in high fidelity speaker systems and sometimes even in home theater systems.
Tweeters can also work in collaboration with the woofers that are responsible for generating the low frequencies or bass. [2] Some tweeters sit outside the main enclosure in their own semi-independent unit. Examples include "super tweeters" and the novel "egg tweeter" by Ohm. The latter plugs in and swivels to adjust the soundfield depending on ...
The Air Motion Transformer (AMT) is a type of electroacoustic transducer. Invented by Oskar Heil (1908–1994), it operates on a different transduction principle from other loudspeaker designs, such as moving coil , planar magnetic or electrostatically -driven loudspeakers, and should not be confused with planar or true ribbon loudspeakers .
The midwoofer-tweeter-midwoofer loudspeaker configuration (called MTM, for short) was a design arrangement from the late 1960s that suffered from serious lobing issues that prevented its popularity until it was perfected by Joseph D'Appolito as a way of correcting the inherent lobe tilting of a typical mid-tweeter (MT) configuration, at the crossover frequency, unless time-aligned. [1]
A single amplifier can usually power a woofer and a tweeter only through a post-amplifier crossover filter, which protects each driver from signals outside its frequency range. Bi-amping of speakers requires double the channels of amplification and can be accomplished using two ordinary amplifiers in either a vertical or horizontal arrangement.
In 1978 Alan E. Hill of the Air Force Weapons Laboratory in Albuquerque, NM, designed the Plasmatronics Hill Type I, a commercial helium-plasma tweeter. [9] This avoided the ozone and nitrogen oxides produced by radio frequency decomposition of air in earlier generations of plasma tweeters. But the operation of such speakers requires a ...