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A jvc hd 56fh97 Artilce for Your Viewing
Home Theatre Speakers - What You Need To Know
?Speaker types
There are four basic home theater speaker categories: towers, satellites, subwoofers, and center channels. A tower speaker is a tall, freestanding model capable of reproducing a full range of sound. Satellites, which can be used as both front or rear-channel (surround) speakers, are small, bass-limited models designed to be paired with a subwoofer - a dedicated speaker for reproducing both bass and the low-frequency-effects channel in Dolby Digital and DTS soundtracks. And a center channel speaker is a horizontally oriented satellite that's designed to reproduce dialog.
?Freestanding vs. on-wall
In the past, home theater speakers were usually installed alongside big-screen TVs - either freestanding or placed on top of speaker stands. But many new models are on-wall designs that come with wall-mounting hardware. One advantage to these kinds of speakers is that they get positioned on walls where they don't take up any room space. A second advantage is that their slim, wall ?hugging design nicely complements flat-panel plasma and LCD TVs.
?Do you really need a center channel?
With some systems - especially those built around a large, slim rear-projection TV - finding a place to put the center channel speaker can be a problem. Although you can get by without using one, it's not recommended - center channel speakers are specifically designed to reproduce voices. You'll find that movie dialog will sound much clearer when you use them. So instead of bypassing the center speaker or using the TV's built-in speakers as a center channel substitute (a terrible option, since the tonal balance of your TV's speakers isn't likely to match that of your other speakers), look for an alternative mounting method. Speaker wall mounts make a fine option, especially with flat-panel TVs. Most TV stands also include storage shelves that can hold a small center channel speaker.
?Speaker connections. A variety of connectors can be found on the back of speakers.
?A spring-clip connector is a plastic, spring-loaded clamp that's usually found on the back of inexpensive speakers. The connection provided by spring clips isn't as secure as other types, and they can only accept bare speaker wire.
?Binding posts are a step-up connection option found on high-quality speakers. There are two types of binding posts: regular and five-way. Regular types accept both banana plug and spade-lug connectors on speaker cables. The connection they provide is very secure, and in some cases the connector is also gold-plated to prevent oxidation - a condition that can potentially degrade performance. And five-way binding posts, which accept bare wire and pin-type connectors in addition to banana plugs and spade lugs, offer even more hookup flexibility than regular types.
?In-wall and in-ceiling speaker + and ?
For those who prefer to keep their audio/video equipment out of sight, in-wall and in-ceiling speakers make a great alternative to regular models. Although the sound quality of in-wall and in-ceiling models is generally a notch below that of regular speakers, they can be mounted inside of cutout cavities in the walls or ceiling of your room where they won't take up any space. Both types are also designed to contain vibrations within the cabinet, so you won't have to worry about rattling the walls during action movies. Installation of in-wall and in-ceiling speakers involves running wires through the walls and/or ceiling of your home. If you're an experienced DIY type, you might be up to that task, but for most people it's best left to a custom installer.
?Surround speaker considerations: direct-radiating, dipolar, and bipolar There are several options to consider when choosing surround sound speakers for your system.
?Direct-radiating models fire sound directly out from the speaker's front baffle toward the listener's ears. These are a good all-purpose surround sound speaker choice since their clear, focused dispersion pattern can accurately convey the directional sound effect pans in DVD soundtracks.
?Dipolar models radiate sound from both the speaker's back and front, with the opposing driver sets wired out-of-phase with each other. This design offers a more diffuse, spacious sound than a direct-radiating model while retaining some of the latter's focused dispersion characteristics. (Dipolar models are favored for THX-certified designs specifically because of their diffuse sound, which more accurately resembles what you'd hear in a real movie theater.)
?Bipolar models also radiate sound from the front and back, except that in this case both sets of drivers are wired in-phase with one another. This design allows a bipolar speaker to provide the best of both worlds: a direct-radiator's clarity and focus, and a dipole's spaciousness.
?What is frequency response, and what should I look for?
The range of audio frequencies that a speaker can reproduce is known as its frequency response. Human hearing extends from 20 Hz to 20 kHz (20,000 Hz) - a span that few models are able to cover fully. The bass frequencies at the bottom of the range (approximately 20-120 Hz) are the most difficult for a speaker to cover. Satellites don't attempt it at all, but instead pass the task off to a subwoofer - a dedicated bass speaker with drivers large enough to move the massive quantity of air needed to reproduce low frequencies. Since tower speakers usually contain one or more woofers, they generally deliver decent bass. But if you're shopping for tower speakers - especially if you plan to use one in a system where there's no subwoofer - make a point of checking the low end of its frequency response specification. And remember that not all measurements are the same. For example, the bass response of a speaker spec'd at ?6 dB at 40 Hz probably won't sound as full as one that measures ?3 dB at 40 Hz.
?Speaker impedance and selection
Most new speakers are designed to be compatible with a wide range of receivers and audio amplifiers, so specifications like impedance-the measure of a speaker's resistance to electrical power flowing through it as specified in Ohms-generally aren't things you need to worry too much about. But what you should know is that an amplifier has to work harder to drive a speaker with a lower impedance rating than one with a higher rating. Say that your receiver is rated to deliver 100 watts into an 8-ohm load. If your speakers have an 8-Ohm impedance spec, then you aren't likely to encounter any problems. But if your speakers' specified impedance is 4 ohms or less, the chances for that same receiver to overheat and shut down will be increased.
?Placement: the final frontier
Many people tend to be casual about where they put their speakers; more often than not, they get shoved into any old space where it's convenient. But speaker placement becomes crucial when setting up a home theater system. You'll want the positioning of surround sound effects in your room to correspond to what's happening on screen, and that will only happen if speakers are set up properly.
Front channel towers or satellite models on stands should ideally be placed equidistant from the TV's sides and about three feet out from the front wall. This setup will heighten imaging and reduce any sound-muddying room reinforcement effects. And your subwoofer should be pushed into a corner of the room to permit the sound-reinforcing effect of adjacent walls to strengthen the bass. While placement guidelines for surround speakers are less strict than those for front speakers, installing them in a high position at the sides and slightly behind the listening area will usually enhance surround sound envelopment.
Microtek Lab Inc. is a consumer electronics company focused on scanners, plasma and lcd televisions, digital projectors, lcd monitors, digital cameras, home theatre equipment, and accessories. You can view their online store at http://store.microtek.com Use of this article is permitted provided that the article is used in its entirety.
Should I Buy My Car Audio Product At Ebay?
Car audio at Ebay? Yes, you can get a good car audio system at Ebay. All you need to do is to log on to the net and sign-in at Ebay. This will not only save your fuel but also your time. So what is actually included at Ebay under car audio? Let?s take a peep in.
Sub-categories under car audio at Ebay
The various categories included at Ebay under car audio are...
? Car alarms and security
? Car amplifier
? Car audio in-dash units
? Car CD changers
? Car speaker and speaker systems
? Car subwoofers and enclosures
? Car video and navigation
? Installation products
? Parts and accessories
? Signal processors
? 12-volt portable appliances
There are, however, several issues you'd have to bear in mind if you intend to buy your car audio system or accessories at Ebay...
1) You run a huge risk. Ebay does not give you any guarantee on the product you're buying. All they provide is an interface for your transaction.
Therefore, if you're not experienced in using auction sites you'd be better off buying from an established car audio site.
2) You may be buying from a dissatisfied user who just wants to get rid of the stuff.
3) You cannot have any support if issues arise. You bought from another user, not an authorized outlet.
4) You're less likely to buy the latest and best. This shouldn't be a problem if you are more after making a bargain purchase than owning a reliable system that will serve you well.
If you do decide in spite of these and other setbacks, do yourself a favor: Research the seller and make sure you're not buying from a crook.
My best bet for your car audio system remains a car audio dealer who has expertise, not Ebay.
Visit car-audio-products-and-accessories.com to read more car audio articles. Check CarAudioPlus for your car audio products and accessories. Chimezirim Odimba writes for CarAudioPlus. |
jvc hd 56fh97 Products we recommend
JBL ARENA (Pair) 2-way pair bookshelf speaker
The duo speaker system in the Venue Series Arena is the ideal choice for a home, office or dorm room stereo system where space is limited, but outstanding performance is demanded. Arena is also the perfect solution for main or surround channels in a high-performance home theater system.
Price: 199.77
KEF IQ3 DARK APPLE KEF iQ3 Bookshelf Loudspeaker (Pair)
You despise compromise. You want it all. Packing a 6.5 Uni-Q array tweeter/midrange combination speaker into this compact -- and oh-so-stylish! Ooo-la-la! -- bookshelf speaker cabinet, KEF has debunked the idea that you need big, ugly speakers to bring the best imaginable sound to your living room. Experience the best of both worlds.
Price: 499.95
Bose Acoustimass 16 Series II Silver 6.1-Channel Home Theater Speaker System
Surround yourself with riveting TV sound and superb musical performances with Boses premier 6.1-channel home entertainment speaker system. The Acoustimass#174; 16 Series II speaker system pairs with your 6.1-channel components to place you in the middle of the action -- without bulky equipment overpowering your decor.
Price: 1299.00
KEF KHT3005 HIGH GLOSS SILVER KEF KHT3005 5.1 Surround Sound System
The KHT3005 is the revolutionary result of harnessing nearly 50 years of experience in creating technically innovative and beautiful loudspeakers. KHT3005 is an extremely high performance, yet room-friendly home theatre system, which raises both the design and performance benchmarks in the category of elegant home theater speaker packages.
Price: 1498.95
Current jvc hd 56fh97 News
Get more information about the products and services we provide to our customers.
All Popular Subjects »
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RocketNews organizes all stories into categories like sports and entertainment and into subjects making it easy for users to find and connect to the issues and stories that interest them.
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Labels: icfcd553rm, mitsubishi wd73732, sale televisions, txnr1000
A jvc hd 56fh97 Artilce for Your Viewing
Home Theatre Speakers - What You Need To Know
?Speaker types
There are four basic home theater speaker categories: towers, satellites, subwoofers, and center channels. A tower speaker is a tall, freestanding model capable of reproducing a full range of sound. Satellites, which can be used as both front or rear-channel (surround) speakers, are small, bass-limited models designed to be paired with a subwoofer - a dedicated speaker for reproducing both bass and the low-frequency-effects channel in Dolby Digital and DTS soundtracks. And a center channel speaker is a horizontally oriented satellite that's designed to reproduce dialog.
?Freestanding vs. on-wall
In the past, home theater speakers were usually installed alongside big-screen TVs - either freestanding or placed on top of speaker stands. But many new models are on-wall designs that come with wall-mounting hardware. One advantage to these kinds of speakers is that they get positioned on walls where they don't take up any room space. A second advantage is that their slim, wall ?hugging design nicely complements flat-panel plasma and LCD TVs.
?Do you really need a center channel?
With some systems - especially those built around a large, slim rear-projection TV - finding a place to put the center channel speaker can be a problem. Although you can get by without using one, it's not recommended - center channel speakers are specifically designed to reproduce voices. You'll find that movie dialog will sound much clearer when you use them. So instead of bypassing the center speaker or using the TV's built-in speakers as a center channel substitute (a terrible option, since the tonal balance of your TV's speakers isn't likely to match that of your other speakers), look for an alternative mounting method. Speaker wall mounts make a fine option, especially with flat-panel TVs. Most TV stands also include storage shelves that can hold a small center channel speaker.
?Speaker connections. A variety of connectors can be found on the back of speakers.
?A spring-clip connector is a plastic, spring-loaded clamp that's usually found on the back of inexpensive speakers. The connection provided by spring clips isn't as secure as other types, and they can only accept bare speaker wire.
?Binding posts are a step-up connection option found on high-quality speakers. There are two types of binding posts: regular and five-way. Regular types accept both banana plug and spade-lug connectors on speaker cables. The connection they provide is very secure, and in some cases the connector is also gold-plated to prevent oxidation - a condition that can potentially degrade performance. And five-way binding posts, which accept bare wire and pin-type connectors in addition to banana plugs and spade lugs, offer even more hookup flexibility than regular types.
?In-wall and in-ceiling speaker + and ?
For those who prefer to keep their audio/video equipment out of sight, in-wall and in-ceiling speakers make a great alternative to regular models. Although the sound quality of in-wall and in-ceiling models is generally a notch below that of regular speakers, they can be mounted inside of cutout cavities in the walls or ceiling of your room where they won't take up any space. Both types are also designed to contain vibrations within the cabinet, so you won't have to worry about rattling the walls during action movies. Installation of in-wall and in-ceiling speakers involves running wires through the walls and/or ceiling of your home. If you're an experienced DIY type, you might be up to that task, but for most people it's best left to a custom installer.
?Surround speaker considerations: direct-radiating, dipolar, and bipolar There are several options to consider when choosing surround sound speakers for your system.
?Direct-radiating models fire sound directly out from the speaker's front baffle toward the listener's ears. These are a good all-purpose surround sound speaker choice since their clear, focused dispersion pattern can accurately convey the directional sound effect pans in DVD soundtracks.
?Dipolar models radiate sound from both the speaker's back and front, with the opposing driver sets wired out-of-phase with each other. This design offers a more diffuse, spacious sound than a direct-radiating model while retaining some of the latter's focused dispersion characteristics. (Dipolar models are favored for THX-certified designs specifically because of their diffuse sound, which more accurately resembles what you'd hear in a real movie theater.)
?Bipolar models also radiate sound from the front and back, except that in this case both sets of drivers are wired in-phase with one another. This design allows a bipolar speaker to provide the best of both worlds: a direct-radiator's clarity and focus, and a dipole's spaciousness.
?What is frequency response, and what should I look for?
The range of audio frequencies that a speaker can reproduce is known as its frequency response. Human hearing extends from 20 Hz to 20 kHz (20,000 Hz) - a span that few models are able to cover fully. The bass frequencies at the bottom of the range (approximately 20-120 Hz) are the most difficult for a speaker to cover. Satellites don't attempt it at all, but instead pass the task off to a subwoofer - a dedicated bass speaker with drivers large enough to move the massive quantity of air needed to reproduce low frequencies. Since tower speakers usually contain one or more woofers, they generally deliver decent bass. But if you're shopping for tower speakers - especially if you plan to use one in a system where there's no subwoofer - make a point of checking the low end of its frequency response specification. And remember that not all measurements are the same. For example, the bass response of a speaker spec'd at ?6 dB at 40 Hz probably won't sound as full as one that measures ?3 dB at 40 Hz.
?Speaker impedance and selection
Most new speakers are designed to be compatible with a wide range of receivers and audio amplifiers, so specifications like impedance-the measure of a speaker's resistance to electrical power flowing through it as specified in Ohms-generally aren't things you need to worry too much about. But what you should know is that an amplifier has to work harder to drive a speaker with a lower impedance rating than one with a higher rating. Say that your receiver is rated to deliver 100 watts into an 8-ohm load. If your speakers have an 8-Ohm impedance spec, then you aren't likely to encounter any problems. But if your speakers' specified impedance is 4 ohms or less, the chances for that same receiver to overheat and shut down will be increased.
?Placement: the final frontier
Many people tend to be casual about where they put their speakers; more often than not, they get shoved into any old space where it's convenient. But speaker placement becomes crucial when setting up a home theater system. You'll want the positioning of surround sound effects in your room to correspond to what's happening on screen, and that will only happen if speakers are set up properly.
Front channel towers or satellite models on stands should ideally be placed equidistant from the TV's sides and about three feet out from the front wall. This setup will heighten imaging and reduce any sound-muddying room reinforcement effects. And your subwoofer should be pushed into a corner of the room to permit the sound-reinforcing effect of adjacent walls to strengthen the bass. While placement guidelines for surround speakers are less strict than those for front speakers, installing them in a high position at the sides and slightly behind the listening area will usually enhance surround sound envelopment.
Microtek Lab Inc. is a consumer electronics company focused on scanners, plasma and lcd televisions, digital projectors, lcd monitors, digital cameras, home theatre equipment, and accessories. You can view their online store at http://store.microtek.com Use of this article is permitted provided that the article is used in its entirety.
Should I Buy My Car Audio Product At Ebay?
Car audio at Ebay? Yes, you can get a good car audio system at Ebay. All you need to do is to log on to the net and sign-in at Ebay. This will not only save your fuel but also your time. So what is actually included at Ebay under car audio? Let?s take a peep in.
Sub-categories under car audio at Ebay
The various categories included at Ebay under car audio are...
? Car alarms and security
? Car amplifier
? Car audio in-dash units
? Car CD changers
? Car speaker and speaker systems
? Car subwoofers and enclosures
? Car video and navigation
? Installation products
? Parts and accessories
? Signal processors
? 12-volt portable appliances
There are, however, several issues you'd have to bear in mind if you intend to buy your car audio system or accessories at Ebay...
1) You run a huge risk. Ebay does not give you any guarantee on the product you're buying. All they provide is an interface for your transaction.
Therefore, if you're not experienced in using auction sites you'd be better off buying from an established car audio site.
2) You may be buying from a dissatisfied user who just wants to get rid of the stuff.
3) You cannot have any support if issues arise. You bought from another user, not an authorized outlet.
4) You're less likely to buy the latest and best. This shouldn't be a problem if you are more after making a bargain purchase than owning a reliable system that will serve you well.
If you do decide in spite of these and other setbacks, do yourself a favor: Research the seller and make sure you're not buying from a crook.
My best bet for your car audio system remains a car audio dealer who has expertise, not Ebay.
Visit car-audio-products-and-accessories.com to read more car audio articles. Check CarAudioPlus for your car audio products and accessories. Chimezirim Odimba writes for CarAudioPlus. |
jvc hd 56fh97 Products we recommend
JBL ARENA (Pair) 2-way pair bookshelf speaker
The duo speaker system in the Venue Series Arena is the ideal choice for a home, office or dorm room stereo system where space is limited, but outstanding performance is demanded. Arena is also the perfect solution for main or surround channels in a high-performance home theater system.
Price: 199.77
KEF IQ3 DARK APPLE KEF iQ3 Bookshelf Loudspeaker (Pair)
You despise compromise. You want it all. Packing a 6.5 Uni-Q array tweeter/midrange combination speaker into this compact -- and oh-so-stylish! Ooo-la-la! -- bookshelf speaker cabinet, KEF has debunked the idea that you need big, ugly speakers to bring the best imaginable sound to your living room. Experience the best of both worlds.
Price: 499.95
Bose Acoustimass 16 Series II Silver 6.1-Channel Home Theater Speaker System
Surround yourself with riveting TV sound and superb musical performances with Boses premier 6.1-channel home entertainment speaker system. The Acoustimass#174; 16 Series II speaker system pairs with your 6.1-channel components to place you in the middle of the action -- without bulky equipment overpowering your decor.
Price: 1299.00
KEF KHT3005 HIGH GLOSS SILVER KEF KHT3005 5.1 Surround Sound System
The KHT3005 is the revolutionary result of harnessing nearly 50 years of experience in creating technically innovative and beautiful loudspeakers. KHT3005 is an extremely high performance, yet room-friendly home theatre system, which raises both the design and performance benchmarks in the category of elegant home theater speaker packages.
Price: 1498.95
Current jvc hd 56fh97 News
Get more information about the products and services we provide to our customers.
All Popular Subjects »
RocketNews discovers the most popular stories from over 60,000 news sources from around the web.
RocketNews organizes all stories into categories like sports and entertainment and into subjects making it easy for users to find and connect to the issues and stories that interest them.
Tags: kds r70xbr2 | velodyne vx10 | onkyo tx 8522 | klipsch sb3 | samsung ln s3292d
Labels: icfcd553rm, mitsubishi wd73732, sale televisions, txnr1000
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