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Car Subwoofer Spider

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A Speaker is a device that delivers the air vibrations, which are heard by our ears. Actually, a speaker converts the electric signals into mechanical vibrations or sound that we hear. Magnetism is the base of speaker technology as it works on this principle, the oldest principle of physics for reproducing sound. In fact, the technology of speaker is just the reverse technology of the microphones, which even follows the same principle.

As the principle is old, the technology of the speaker is also an old one. Though many changes have happened regarding the design, quality and the functioning, the basic operating principle is the same as it has been for decades. The only difference that can be noticed is the non-electric permanent magnet made from highly refined metallurgic materials, in place of an electrical field coil used to create the magnetic field used before.

According to the audio system, a magnetic deck reproduces the audio information from the recorded support through an electrical signal. The speaker translates these signals to audio waves, which is almost the same sound as that of the original one. However, there are various components with which a speaker is made up of and thus are the vital part of speaker technology.

Magnet: It produces a steady, non-changing magnetic field. The electro-magnet close to it will either get attracted to it or repel, due to its alternating charge.

Voice-coil: It is the electromagnet made up of a coil of wire that is wrapped around a piece of metal of high conductivity.

Diaphragm: Also referred to as a cone, it is a component that vibrates when the voice coil moves and produces sound waves.

Spider: Called the lower suspension, it is a cloth disc that only allows the voice coil and the bottom of the diaphragm to move backward and forward.

Surround: Called the upper suspension, it is a ring that stops the cone or the diaphragm from moving to the side. Together with the spider, it forms the suspension system for the diaphragm and the voice coil.

Dust cap: It is a cover that is attached to the cone.

Frame: A component that holds all the parts together.

Switching over to the working of the speaker, the components that should be mentioned first are the voice coil and the magnet, Together, these are the base of the whole technology. The wire of the voice coil is insulated with a narrow layer of varnish and the ends of the wire are connected to the terminals on the speaker frame with the help of tinsel leads. These wires are very flexible pieces of braided wire that allows electricity to pass.

However, as the electricity flows through the wire of the voice coil, it sets up a magnetic field around itself and this magnetic field interacts with the magnetic field of the magnet. The closeness to the magnet causes the voice coil to move up and down. Now, if the charges are identical they will repel but if they are not then they will attract. That means that either it will draw the speaker down towards the magnet or will push it away.

As the voice coil starts moving, the diaphragm or the cone, which is attached to the top of the moving voice coil, also starts moving up and down. And this way the sound waves are generated from the electric impulses.

Victor Epand is an expert consultant for music gear, speakers, and microphones. You can find the best marketplace for music gear, speakers, and microphones at these 3 sites: music gear, DJ equipment, recording equipment, speaker technology

High Power And Efficient Car Subwoofer

Car owners and manufactures often add the car subwoofers with the car audio system to enhance their performance and to take them to a new level or sound excellence.  In fact the subwoofers are complete loudspeakers that are dedicated to reproducing bass audio frequencies.  The frequencies range from 150Hz to as low as 20Hz depending on the taste and requirements of the user. They are called subwoofers since they are used for augmenting the low frequency performances of any of the main speakers.

A unique feature of the subwoofers is that they are constructed by mounting woofers one on another and enclosing them inside well-braced cover that is either made of plastic or wood. They are available in multiple designs and are widely used to enhance the performance of the car stereos of any type.  Main designs are bass reflex, horn-loaded, band pass, and infinite battle types. Of course each of the types has its own pros and cons to deal with.

Broadly the subwoofers can be classified into two types.  One of them is the passive subwoofers and the other is active subwoofer.  Passive subwoofers consist of the subwoofer driver.  The enclosures will be powered by an external amplifier. On the other hand the active subwoofers have an inbuilt amplifier in the subwoofer. Way back in the 1960s the first subwoofer was developed for providing the addition of bass response to the home stereo systems.

Sensurruound was added during the 1970s. Compact discs and cassettes added further technological excellence to the subwoofers during the 1980s. DVDs arrived in the 1990s and with them came up the LFE or low frequency channels. That was the time when the subwoofers started gaining popularity for home videos and car stereos.  It turned out to be the universally accepted sound reinforcement system by the time the new millennium arrived on the scene.

Numerous qualitative subwoofers that are used for the car audio and stereos are available in the market today. Recently the Infinity Systems, one of the units of Harman International Industries announced their new line of subwoofers.  Many other leading brands and companies are following suit. Advantage of the modern day improved subwoofers is the industrial designs and the value price added to them. Today the subwoofers use large-roll surrounds, polypropylene cones as well as progressive spiders in them.  In result they have gained optimal control of the sound system and made the bash sound effects free from distortions and also prevents sound from breaking down while delivered.  The progressive spider applies increased force with the cone travel approaching its limits.  In result the subwoofer gains much greater durability.  Large roll surroundings help the cone edge maximum suspension eliminating any rattling that travels up the edge. Polypropylene cone is stiff despite being lightweight and thus provides an excellent balance of efficiency with power handling.

About the Author

If you are looking for the best car subwoofers for enhancing the performance of your car stereos or the car audio then our products will satisfy all your requirements. Our products are extremely efficient and they come at a very competitive price that you will like most. For details, please log on to carstereos4u.co.uk now.

Question about the splw-152x?

are they any good?
anyone ever heard them?
here are some specs:
ures:

* NEW SPL AUDIO SPLW-152X 15" 2800 WATT Car Subwoofer
* MAX Power: 2800 Watts
* RMS Power: 1500 Watts
* Effeciency: 88.9 dB
* Fs :25.1 Hz
* Mounting Depth: 7.625"
* Cutout Diameter: 13.75"
* 340 OZ MAGNET
* Cloth/Paper Composite Cone
* Red Cast Aluminum Baket w/ Diamond Cut Accents
* Chrome Back Plate
* UV Coated Foam Surround
* One Piece Rubber Gasket w/ Color Matched Inserts
* Dual CONEX Spiders
* Nickel Plated 8 ga. Compression Wire Terminal

No bueno. SPL is a cheap flea market brand, low quality, fake power numbers, try not to get this junk. Theres a reason it costs less than 150 dollars....

www.audioque.com has GREAT stuff thats pretty affordable.

Pioneer is Clearly Heard with a New Speaker Line-Up
LAS VEGAS--(BUSINESS WIRE)--CES BOOTH #1001 – Pioneer Electronics (USA) Inc. today offers consumers more ways to enjoy the in-vehicle listening experience with its new line of TS-A Series Speakers and Champion Series Subwoofers. Pioneer’s 2011 TS-A speakers feature innovative technology like carbon graphite IMPP Interlaced Aramid Fiber woofer cones, soft dome midranges, and wave guide arrays to ...

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