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This article or section needs copy editing for grammar, style, cohesion, tone or spelling. You can assist by editing it now. A how-to guide is available. (February 2007) For the Marty Friedman album, see Loudspeaker (album) An inexpensive low fidelity 3.5 inch speaker, typically found in small radios An expensive 4-way, high fidelity loudspeaker system.

A loudspeaker, speaker, or speaker system is an electromechanical transducer that converts an electrical signal to sound. The term loudspeaker can refer to individual devices (otherwise known as drivers), or to complete systems consisting of an enclosure incorporating one or more drivers and additional electronic components. Loudspeakers, as with other electro-acoustic transducers, are the most variable elements in an audio system and are responsible for the greatest degree of audible differences between sound systems.

To reproduce a wide range of frequencies, most loudspeaker systems require more than one driver, particularly for high sound pressure level or high fidelity applications. Individual drivers are used to cover different frequency ranges. The drivers are named subwoofers, for very low frequencies; woofers, for low frequencies; mid-range speakers, for middle frequencies; tweeters, for high frequencies; and, also, the so-called supertweeters, which are basically tweeters optimized for higher frequencies than a normal tweeter.

These terms for different speaker applications/ranges can differ widely depending on the application. Home stereos use the designation "tweeter" for high frequencies whereas professional audio systems for concerts typically designate all types of high frequency drivers simply as HF or "highs". High frequency compression driver units are also called "horns" in cases where the professional loudspeaker's lower frequency drivers are front-loaded. There is also a distinct difference in terminology between that used in the U.S. versus the U.K.

A "filter network", called a crossover separates the incoming signal into different frequency bands appropriate for each driver. A loudspeaker system with 'N' separate frequency bands is described as "N-way speakers": a 2-way system will have woofer and tweeter speakers; a 3-way system is a combination of a set of woofers, mid-range speakers, and tweeters(HF drivers).

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Bowers & Wilkins (B&W), creator of the world's most advanced home theatre and hi-fi loudspeaker systems, is bringing its unparalleled technology to an integrated audio speaker system for the iPod.

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Bowers & Wilkins (B&W), creator of the world's most advanced home theatre and hi-fi loudspeaker systems, is bringing its unparalleled technology to an integrated audio speaker system for the iPod.

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Bowers & Wilkins (B&W), creator of the world's most advanced home theatre and hi-fi loudspeaker systems, is bringing its unparalleled technology to an integrated audio speaker system for the iPod.

Samsung G600 black on Virgin Mobile ?20 12mth, with 50 mins & 100 txts a month
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Samsung G600 black on Virgin Mobile ?20 18mth, with 50 mins & 100 txts a month
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Review of GSM/UMTS-smartphone Sony Ericsson G900
Review of GSM/UMTS-smartphone Sony Ericsson G900 Mobile-review have well-informed their review of the Sony Ericsson G900 UIQ smartphone. Here is the final impression. Impressions Despite having only one loudspeaker onboard, the G900’s ring tones are nice loud, in reality above the market’s mean proportion body level, centre of life

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Review of GSM/UMTS-smartphone Sony Ericsson G900
Mobile-review have posted their review of the Sony Ericsson G900 UIQ smartphone. Here is the final impression. Impressions Despite having only one loudspeaker onboard, the G900’s ring tones are pretty loud, actually above the market’s average volume level, being in line with the Sony Ericsson P1i

Samsung G600 black on T-Mobile Flext ?25 18mth, with Up to 300 mins OR Up to 600 txts a month
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Lincoln Students Torched Teacher's Car, Authorities Say
LINCOLN - Austin West smelled smoke minutes before a Lincoln High School administrator's voice boomed over the loudspeaker in the fieldhouse about 10 a.m. Thursday.

Seniors show it's hip to skate
The organ music swells in a barely recognizable cover of "California Dreamin.' " The voice over the loudspeaker has declared it a cha-cha, and Martha and Dick Conway of Suntree respond with smooth dance moves as they roll around the rink.

Colleges now on alert in low-tech ways, too
After the shootings last year at Virginia Tech and a February rampage at Northern Illinois University, colleges and universities nationwide are installing high-tech alert systems that beam emergency e-mails and voice messages to thousands of cellphones, pagers and personal computers to alert staff and students both on and off campus.

Wildfire Breaks Out Along the Big Sur Coastline
A brush fire in unincorporated Monterey County today consumed 10 acres and required the evacuation of nearby residents, according to the U.S. Forest Service.

Tom Hicks calls Liverpool fan John McCaffrey over internet petition
THE Liverpool FC fan behind a petition to oust club co-owner Tom Hicks got the shock of his life when the US tycoon called to discuss the campaign. Reds supporter John McCaffrey launched his online protest against the Texan as controversy surrounding the multi-millionaire’s Anfield tenure grew.

Sheriff: Authorities used resources needed for safety, resolution
At last week’s law enforcement committee meeting Vernon County Sheriff Gene Cary reacted to criticism that law enforcement agencies were overzealous during a recent standoff with a rural Viola man, who shot at officers from Richland County who tried to serve him tax papers.

Tourism saves a city but saps its Buddhist spirit
As the sky grows light along the Mekong River here in Luang Prabang, it is no longer the quiet footfalls of Buddhist monks that herald the day but the jostling and chattering of hundreds of tourists who have come to watch them on their morning rounds. ''Here they come!

Stepping up to help
Jennifer Marie Ward was one of the victims of the March 29 triple homicide here in Winnipeg. A childhood friend is now stepping up to help Jenn's children cope with the challenges ahead.

KU Makes Changes Since Va. Tech Shootings
College campuses across the country have made changes since the shootings at Virginia Tech last April.

Site navigation
‘We are afraid of speaking out against the Green Road mosque for fear of being labelled racist’, says an East Reading resident.

Top websites

Loudspeaker - Wikipedia, the free encyclopedia
For the Marty Friedman album, see Loudspeaker (album) ... A loudspeaker, speaker, or speaker system is an electromechanical transducer ...


Loudspeakers
Dynamic Loudspeaker Principle ... The loudspeaker involves electromechanical processes where the amplified audio ... the design of today's dynamic loudspeaker. ...


JBL Car & Marine Audio Glossary
Glossary of Technical Terms. Term. Definition. Demo ...


loudspeaker -- Britannica Online Encyclopedia
... online encyclopedia article on loudspeaker: in sound reproduction, device for ... loudspeaker ... small loudspeaker held or worn close to the listener's ...


Panaray 502 B Bass Loudspeaker - Bose Professional Products
... Bose Panaray 502 B bass loudspeaker is for installations that require additional ... Panaray® 502® B bass loudspeaker delivers low-frequency response down ...


loudspeaker: Definition and Much More from Answers.com
loudspeaker n. A device that converts electric signals to audible sound. ... Sci-Tech Encyclopedia: Loudspeaker ... A loudspeaker driver is an ...


FreeSpace Model 32 Loudspeaker - Bose Professional Products
This 32-watt loudspeaker combines compact size, high-fidelity sound and ease of ... This flush-mount, high-performance loudspeaker is engineered for locations with ...


James Loudspeaker-
... in-wall or on-wall loudspeaker and subwoofer using a patented adjustable ... Dynamic accurate sound never before found outdoors. ...


XTRA-FM - 91X - San Diego's Cutting Edge of Rock
Loudspeaker SD. Song Du Jour. X-Sessions. Music Videos. Top 91 List. 91X Jocks. The 91X Morning Show ... Loudspeaker SD - 3/17/08 ...


True Audio: Audio Spectrum Analyzer and Loudspeaker Design Software
Loudspeaker simulation softwares and information for Mac and Windows.


Posts in groups

Re: Need advice on DECT phones

...to set up the conference. [On my parents' phone, it's "#" rather than "3", so I guess most work the same way.] An alternative to 3-way conference calls would be a hands-free (loudspeaker) handset which both could use together. This could be DECT or fixed-line. I guess you don't have in-laws or parents then Jim ? I guess you didn't mean that to read the way it...

Re: Israeli IDF Report of June 1948 Concluded that 70%% of Palestinian Exodus Was Caused by Haganah/IDF Operations and Activities of Dissident Jewish Organizations.

... that the British withdrawal freed our hands for action more than it influenced the Arab immigration directly." The report cites "surprise, protracted mortar barrages, and the use of loudspeakers broadcasting threatening messages, factors which had a strong influence in precipitation flight". "An attack on one village or town often affected its neighbors. The evacuation of a certain ...

Re: Israeli IDF Report of June 1948 Concluded that 70%% of Palestinian Exodus Was Caused by Haganah/IDF Operations and Activities of Dissident Jewish Organizations.

... that the British withdrawal freed our hands for action more than it influenced the Arab immigration directly." The report cites "surprise, protracted mortar barrages, and the use of loudspeakers broadcasting threatening messages, factors which had a strong influence in precipitation flight". "An attack on one village or town often affected its neighbors. The evacuation of a certain ...

Re: Cosmic Pulses

... with tape pieces (run from a Tascam DA-88 digital eight-track unit), which seemed to hold equal status [..] He diffused (or sound projected, as he termed it) over a rig of two layers of loudspeakers, adaptable to the eight-speaker cube of Oktophonie (1990-91, 69 min) or the eight-track spatial projection of Choirs of Monday (1987, 69 min) and Mittwochs-Abschied (1996, 44 min). These large-...

Re: Need advice on DECT phones

... up the conference. [On my parents' phone, it's "#" rather than "3", so I guess most work the same way.] An alternative to 3-way conference calls would be a hands-free (loudspeaker) handset which both could use together. This could be DECT or fixed-line. I guess you don't have in-laws or parents then Jim ? I have a siemens gigaset 675 which would ...

Re: Need advice on DECT phones

...conference. [On my parents' phone, it's "#" rather than "3", so I guess most work the same way.] An alternative to 3-way conference calls would be a hands-free (loudspeaker) handset which both could use together. This could be DECT or fixed-line. I guess you don't have in-laws or parents then Jim ? I have a siemens gigaset 675 which would do what ...

Re: Feedback and stability in valve amplifiers

... be connected, and the amp won't oscillate. It won't provide full MF power up to 50kHz either, but then it doesn't have to. Interconnect cables have around 20pF per foot, and electrostatic loudspeakers are nothing more than big honking capacitors-- as large as 2 microfarads-- that know how to move. ***ESL can have a lot more than 2uF in the reflected C of their panels. And they can ...

The Very Slim Yet Very Equipped

... and e-AAC+ - and has very good sound reproduction. You can use the stereo headset supplied by Samsung or a wireless Bluetooth headset. You can also listen to music through the built-in loudspeaker which features a Bang & Olufsen digital power amplifier.You even have a video camera for sharp resolution recording with sound where you can enjoy the playback on the phone's large 2.2" 262K colour...

The new Recruit in the Army of Cyber Shot

... flash and mirror. And thank heavens the camera also has a protective lens cover to save it from getting damaged. The loudspeaker grill is located at the bottom of the back side is the loudspeaker grill which is also usual, The backside also has Sony Ericsson logo. The left edge of the handset has fast ...

Re: Asking for advice on 12 day trip to Europe

...you have to make sure you don't miss your connection, or does a train conductor wake you up when it is time to switch trains? If you ask him, probably yes. The IC trains have loudspeaker announcements when the train is approaching the next stop. 7.) Would it make sense to get Bahn 50 cards? Would they discount the cabins on the night trains? Would the discount stack with the ...

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Books

Sound Systems: Design and Optimization: Modern Techniques and Tools for Sound System Design and Alignment

Designing, Building, and Testing Your Own Speaker System with Projects

Loudspeaker Design Cookbook

Car Stereo Speaker Projects Illustrated (TAB Electronics Technical Library)

Introduction to Loudspeaker Design

Speaker Building 201: A Comprehensive Course in Speaker Design

High Performance Loudspeakers

Loudspeaker Handbook

Audio Bandwidth Extension: Application of Psychoacoustics, Signal Processing and Loudspeaker Design

Hi-Fi Loudspeakers and Enclosures [2nd edition]

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