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Speakers & Subwoofers

Speakers & Subwoofers Article

A loudspeaker, speaker, or speaker system is an electromechanical transducer that converts an electrical signal into sound. The term loudspeaker can refer to individual devices (or drivers), and complete systems consisting of an enclosure incorporating one or more drivers and additional electronics. Loudspeakers are the most variable elements in any audio system, and are responsible for marked audible differences between otherwise identical sound systems. Loudspeaker performance (i.e., their accuracy in reproducing a signal without adding distortion) is significantly poorer than that of other audio equipment. For example, harmonic distortion in a typical loudspeaker can be 100 to 1000 times greater than that of amplifiers. The frequency response of a loudspeaker is often referenced as being within 3 dB of perfect linearity (though many speaker designs fall far outside this range), whereas an amplifier may vary less than 0.1 dB.

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; midranges, for middle frequencies; tweeters, for high frequencies; and supertweeters, for very high frequencies. An electronic filter 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 an "N-way speakers": 2 way system will have woofer and tweeter sections; a 3-way system a combination of woofer, tweeter, and mid-range speakers, and so on.


Speakers & Subwoofers Items

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RTi A9 Cherry Tower Loudspeakers Polk Audio (pair)

$470.00
JBL L810 3-Way 5-1/4" Bookshelf Wall-Mount Speakers

$86.50
6 1/2" FOAM SPEAKER SURROUNDS-BEST QUALITY,spkr repair

$2.95
NEW Logitech V20 Notebook Speakers 970155-0403

$50.24
NEW Cyber Acoustics CA-2014rb Amplified Computer Spe...

$12.24
NEW Cyber Acoustics Studio CA-3001rb Multimedia Spea...

$20.24
JBL Titanium Series Speakers Ad from 1985,beautiful!

$17.00
SPECO TRUMPET SPEAKER MODEL SPC-20R 12 1/2X 7 1/2 NEW

$20.00
NEW Cerwin -Vega! VE12F Speaker VE-12F

$210.99
Professional Grade 15" Speaker gaskets One Pair !!!!!!!

$5.99
NEW ViewTek Niko-2180SS Multimedia Speaker System

$44.99
Mordaunt Short Avant 908i 3-Way Floor Speakers Pair

$875.00
NEW TIC Terra-Forms Omni-Directional Speaker TF-S25CN

$123.99
Logitech Z-5500 replacement speakers

$180.00
NEW Phoenix Gold LS545 Indoor / Outdoor Speaker System

$34.99
Logitech Z-5500 5.1 Dolyby Digital Surround System THX

$93.50
NEW Tritton Sound Bite Portable USB Speaker System

$29.24
YAMAHA NS-SP1800 BLACK HOME THEATER SPEAKER SYSTEM NEW

$109.90
RED FOAM SURROUND REPAIR KIT FOR CERWIN VEGA 8 "

$9.99
NEW Creative TravelSound Zen Stone Portable Speaker ...

$31.24
NEW TIC ASP60B Patio Speaker System ASP-60B

$70.99
NEW NOTEBOOK SPEAKERS TRAVEL PRO SPKR NB690MM

$31.24
NEW Cyber Acoustics CA-2908 Speaker System

$38.24
TWO NEW PYLE OUTDOOR WATERPROOF /MARINE STEREO SPEAKERS

$51.95
Pair JBL-Vifa 4.5" mid woofer 4/6 ohm P/N BC11BG07-06

$68.00
NEW Harman JBL Spyro Multimedia Speaker System

$108.24
NEW Cyber Acoustics CA-3001 Amplified Speaker System

$19.24
NEW TIC Pro Series TFS12SL Speaker

$114.99
NEW Kensington 33130 Pocket Speakers

$37.24
ACOUSTIC RESEARCH ORIGINAL SPEAKER CONTROL REFURBISHED

$28.00
NEW Yamaha YSTFSW100 Subwoofer YST-FSW100BL

$149.95
NEW Creative GigaWorks T40 Multimedia Speaker System

$118.99
HARMAN KARDON SOUNDSTICKS II 2 SPEAKERS MAC/PC/IPOD~NEW

$119.99
NEW Cables Unlimited Audio Unlimited Wireless Add-on...

$60.24
NEW Logitech AudioHub Speaker System 980-000101

$82.24
NEW Buttkicker BKP ButtKicker® Platform

$72.99
NEW Cyber Acoustics Game CA-3090RB Speaker System

$25.24
Mission Espirit E5as 10" Powered Subwoofer

$400.00
NEW Cyber Acoustics CA-2014 Multimedia Speaker System

$10.24
NEW Cyber Acoustics Platinum CA3550RB Flat Panel Des...

$39.24
NEW Polk Audio R300 Floor Standing Speakers BLACK Pair

$99.95
NEW Nokia MD-3 Music Speaker 02700R0

$65.24
Wharfedale Diamond 9.1 Bookshelf Speakers Cherry (Pair)

$250.00
NEW Logitech G51 Surround Sound Speaker System

$132.59
NEW Altec Lansing Orbit-M Portable Audio System IMT207

$28.24
NEW Cyber Acoustics Game CA-3090 Speaker System

$23.24
NEW Velodyne VX-10 150 Watts 10" Powered Subwoofer VX10

$169.95
NEW TIC TFS6WG Mid-range Outdoor Speaker TF-S6WG

$98.99
NEW Harman JBL Radial Micro iPod Speaker System

$107.91
NEW JBL L880 â?? Studio L Series L880BK

$314.99
Sonus Faber Concerto Home Speakers

$1000.00
JBL Professional 24CT In Wall/Ceiling Speaker

$9.99
NEW Logitech Z-4i Speaker System 970186-0403

$75.24
NEW Panasonic SH-FX85 Wireless Multi-Room Speaker Kit

$188.99
NEW Harman JBL Spyro Multimedia Speaker System

$108.24
RTi A1 Black Bookshelf Speakers from Polk Audio (pair)

$108.50
Surround Sound 10" Sub HD In Wall Subwoofer New TS1000

$39.99
NEW Blue Raven Maestro 1070 Speaker System 60778

$144.99
Pair M&K 6 3/4 "Round Speaker S-75 L/R 4 ohm P/N 17127

$98.00
NEW Logitech mm32 Portable Speaker System 970218-2403

$59.99
NEW Duet PC Multimedia Speaker DUETWHT

$39.24
NEW Logitech LS21 Multimedia Speaker System 980-000058

$25.24
YAMAHA NS-6490 3way BLACK HOME AUDIO BOOKSHELF SPEAKERS

$89.90
Wharfedale Diamond 9.2 Bookshelf Speakers (Pair)

$299.99
NEW Altec Lansing BXR1121 Stereo Speaker System

$27.24
NEW Cyber Acoustics CA-5001rb Multimedia Speaker System

$63.24
RARE! Polk SDA SRS and 2 Ad from 1987,2 pages,AMAZING!

$17.00
NEW Creative GigaWorks T20 Stereo Speaker System

$83.24
NEW Micro Innovations MM600D Amplified Multimedia Sp...

$9.24
NEW Logitech AudioHub Notebook Speakers 980-000250

$77.99
NEW Blue Raven Maestro 1070 Speaker System 60777

$144.99
Allison Speaker Repair Foam Kit Fits 8" Woofers #FS-8

$18.50
NEW Logitech Pure-Fi Elite iPod Speaker System

$142.92
NEW Cables Unlimited Audio Unlimited Wireless Add-on...

$51.99
NEW Logitech X-240 iPod Speaker System 970285-0403

$41.24
Wharfedale Diamond 9.1 Bookshelf Speakers Black (Pair)

$250.00
2 M&K Peerless-Denmark 4" Reverse Dome Speaker PN860123

$68.00
NEW Cyber Acoustics CA-2100WB Multimedia Speaker System

$18.24
NEW Radian iBlast iPod Docking Speaker System RS0526

$61.24
NEW Cyber Acoustics CA-2022RB Speaker System

$21.24
NEW SOUNDAROUND VIRTUAL SURROUND SOUND FROM 2 SPE...

$86.24
NEW Cerwin -Vega! CVHD Series CVHD-5.1 Home Theater ...

$561.99
NEW Altec Lansing VS4121 Multimedia Speaker System

$62.24
NEW Cyber Acoustics CA-461 Portable Speaker System

$37.24
In Wall Ceiling 8" Surround Sound Home Speakers TS80W

$69.99
SPEAKER SURROUND REPAIR KIT FOR ACOUSTIC RESEARCH 11"

$9.99
CARVER AMAZING Loudspeakers Ad from 1988,2 pages mint!

$20.00
NEW Harman JBL L880 Floorstanding Speaker L880CH

$331.99
NEW Logitech Z-5500 Digital Surround Sound Speaker S...

$296.99
1985 BOSE RoomMate Powered Stereo Speakers Excellent

$112.00
NEW THINKVISION USB SOUNDBAR - 2 WATT RMS - BLACK

$30.20
NEW Audiovox Acoustic Research AW877 Outdoor Wireles...

$114.99
RTi A9 Black Tower Loudspeakers Polk Audio (pair)

$510.00
NEW Logitech LS11 Multimedia Speaker System 980-000048

$17.24
NEW Cyber Acoustics CA-2011WB Speaker System

$9.24
Infinity Servo Statik 1A 2 page Ad from 1975,Super-RARE

$17.00
NEW Micro Innovations MM610D Amplified Multimedia Sp...

$16.24
New Home Theater 6.5" In Wall Surround Speakers TS65W

$59.99
POLK AUDIO RT5000 HOME THEATER SURROUND SOUND SYSTEM

$999.00
RTi A7 Black Tower Loudspeakers Polk Audio (pair)

$227.50