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A speaker or loudspeaker consists of one or more speaker drivers contained within an enclosure or covered with a grill. These drivers act as a type of transducer that converts an electrical audio signal from a computer or audio receiver into sound waves. The sound that is produced by speakers is measured in frequency and amplitude. The frequency of a speaker relates to the pitch of the sound, high or low. Some speakers have multiple cones or drivers to deal with different frequency ranges such as 'subwoofers', 'woofers' and 'tweeters' The amplitude of a speaker refers to the loudness. The loudness of a speaker is determined by the air pressure created by soundwaves when you turn up the volume. Active speakers have internal amplification and use electricity to amplify the signal. Passive speakers do not have internal amplification and require a high level of audio input which can be produced by an audio amplifier. Most speakers come in pairs with the left and right speakers using separate channels to create a natural stereo sound.



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Speakers, Ceiling, Horn, Hanging & Cabinet Speakers | RS

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Horn Speakers | RS

<p>A horn speaker is also commonly referred to as a loudspeaker. They are widely used for public address in large venues such as, theatres, auditoriums and sports stadiums.</p><h2>Shapes of Horn Speaker</h2><p>The main characteristic of a horn speaker is its shape. The throat part is connected to a speaker, the neck is the length of the horn and the mouth is the end part connected to the air. Common horn profiles are:</p><ul><li><strong>Parabolic and conical</strong> which are easy to design but have poor impedance conversion</li><li><strong>Exponential</strong> has good wide band impedance conversion but some nonlinearity</li><li><strong>Hyperbolic</strong> has good and high impedance conversion but relative nonlinearity</li><li><strong>Stepped</strong> has high impedance conversion, however nonlinearity depends on step resolution</li></ul><p>Horn speakers have swivel brackets, are durable, weather-resistant and can be easily mounted inside or outside.</p><h2>How Does a Horn Speaker Work?</h2><p>Horn speakers have a radiating diaphragm that moves back and forth to push the air. The larger the diaphragm the more air is moved and thus increasing the sound energy.The horn itself gradually changes in diameter. The source of the sound at the horn throat engages with the air in the horn and then exits the horn mouth turning a soft sound into a loud one.</p><h2>Types of Horn Speakers</h2><ul><li><strong>Bi-directional</strong> Twin re-entrant horns for bi-directional projection</li><li><strong>Wide dispersion</strong> Rotatable horn flare, weatherproof.</li><li><strong>Re-entrant</strong> Weatherproof, vandal resistant for applications in hostile environments.</li><li><strong>Explosion proof</strong> For signal and communication systems.</li><li><strong>Paging </strong> Weatherproof design swivel base for easy aiming.</li></ul>

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PC Speakers | RS

<p>Not all desktop computers and laptops are equipped with sound systems sufficient to your needs, and sometimes an external set of speakers are required. Whether for professional audio visual projects, or even an office presentation, RS Components provides a range of PC speakers from leading brands to support your application. These computer speakers are hardware devices which plug into a computer or laptop, to provide an audio output. They work with the computer's sound card to produce the audio. With complete stereo speaker sets and subwoofers available, you can optimize your computer to make the most of music and multimedia entertainment. Whether USB powered and ported, or with mains adapters and phono connections, there is set up to make the most of your desktop or laptop computer's multi-channel audio capabilities. For gaming, movies, or group conference calls, external computer speakers are a great way to get the sound quality you need without the limitations of headphones or headsets.The RS Components range of computer speakers can be supplied with manually adjustable volume nobs, and can be freely positioned to opimtize your sound experience.</p><h2>Why Do I Need a Subwoofer?</h2><p>A subwoofer is a bass speaker dedicated to low frequency 'deep bass' sounds that many ordinary speakers cannot provide. Subwoofers, or bass modules, are vital for providing a more rounded and powerful sound in home theatres and for studio quality playback in audio video projects. Subwoofers can be purchased individually, but are also often included in speaker system kits.</p>

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Ceiling Speakers | RS

<p>Ceiling speakers are speakers that are fitted into the ceiling space enabling you to maximise floor space and hide untidy wiring. Ceiling speakers are wired into any type of sound system including computers and their purpose is to produce sound / audio that is listened to. Ceiling speakers are flush mounted into ceiling making them discreet and still providing excellent sound / audio quality. Speakers can also be wall mounted with all the benefits of ceiling speakers. Speakers are easy to install and can be linked together within multi-room environments plus they are suitable for home, commercial and industrial use.</p><h2>How do Ceiling Speakers work? </h2><p>Speakers are a transducer converting electromagnetic waves into sound waves. All speakers receive audio input from audio receivers and computers in analogue and digital form. Sound quality and volumes are all adjustable from the main audio output</p><h2>Why install ceiling speakers?</h2><p>There are a wealth of benefits to installing ceiling or wall speakers and one of the main benefits is space saving, especially in the home. Ceiling speakers can be fitted into any environment plus they can be mounted indoors and outdoors. Some models are suitable for damp environments like bathrooms, saunas and under outdoor ceiling eaves. </p><h2>Applications for ceiling and in wall speakers.</h2><p>Speakers not only play background music but can also be used as a public announcement system so are versatile in their use</p><ul><li>Airports</li><li>Shops</li><li>Indoor shopping complex</li><li>Lifts</li><li>Home</li><li>Hotels</li><li>Industrial and factory areas</li></ul><p>Ceiling speakers can be fitted and placed anywhere you choose. Ceiling speaker surrounds and covers are normally black or white but can be painted to fit any environment plus they are available in different sizes. You always measure the hole where the ceiling speaker is to be mounted. Ensure the area where the speaker is fitted is, deep and wide enough for a flush, comfortable vibration free fit. Consider the size of the area where the speakers will be used ensuring you have enough speakers to maximise the sound quality. </p>

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