Speakers installation When an alternating current electrical audio signal is applied to its voice coil, a coil of wire suspended in a circular gap between the poles of a permanent magnet.
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Speaker Installation is essential for success at Houston
1. Speaker Installation is essential for success at Houston
A speaker is an electro acoustic transducer;a device which converts an electrical audio signal
into a corresponding sound. The dynamic speaker operates on the same basic principle as a
dynamic microphone, but in reverse, to produce sound from an electrical signal. Speakers
installation When an alternating current electrical audio signal is applied to its voice coil, a
coil of wire suspended in a circular gap between the poles of a permanent magnet, which
causes a diaphragm attached to the coil to move back and forth, pushing on the air to create
sound waves. Besides this most common method, there are several alternative technologies
that can be used to convert an electrical signal into sound. The sound source must be
amplified with an amplifier before the signal is sent to the speaker.
Speakers are typically housed in an enclosure which is often a rectangular or square box
made of wood or sometimes plastic, and the enclosure plays an important role in the quality
of the sound. Where high fidelity reproduction of sound is required, multiple loudspeakers are
often mounted in the same enclosure, each reproducing a part of the audible frequency
range. In this case the individual speakers are referred to as "drivers" and the entire unit is
called a loudspeaker.
Drivers made for reproducing high audio frequencies are called tweeters, those for middle
frequencies are called mid-range drivers, and those for low frequencies are called woofers.
Miniature loudspeakers are found in devices such as radio and TV receivers, and many forms
of music players. Larger loudspeaker systems are used for music, sound reinforcement in
theaters and concerts, and in public address systems. The term "loudspeaker" may refer to
individual transducers or to complete speaker systems consisting of an enclosure including
one or more drivers.
2. To adequately reproduce a wide range of frequencies with even coverage, most loudspeaker
systems employ more than one driver, particularly for higher sound pressure level or
maximum accuracy. Individual drivers are used to reproduce different frequency ranges. The
drivers are named, mid-range Speakers installation and sometime optimized for the highest
audible frequencies. The terms for different speaker installation drivers differ, depending on
the application. In two-way systems there is no mid-range driver, so the task of reproducing
the mid-range sounds falls upon the woofer and tweeter.
A loudspeaker system with separate frequency bands is described as "n-way speakers": a
two-way system will have a woofer and a tweeter; a three-way system employs a woofer, a
mid-range, and a tweeter. Loudspeakers were described as "dynamic" to distinguish them
from the earlier moving iron speaker, or speakers using piezoelectric or electrostatic systems
as opposed to a voice coil that moves through a steady magnetic field.
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