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Amplifier Setup
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So you are sitting on your patio, with the sounds of your favorite tunes playing through your outdoor speakers. It sounds wonderful! You there relaxing, enjoying a cold beverage in your lazy chair. This is the life isn't it? You decide to get up and take a stroll through your garden, and then suddenly you realize that your wonderful music can no longer be heard! "What can I do?" you say to yourself. Well no worries again! The Outdoor Speaker Guy is here to help.
Okay, so you have experience with hooking up your outdoor stereo speakers. Now you want to add more speakers to your sound system, but you don't know how? In this session we will discuss the ins and outs of hooking up multiple speakers to an amplifier. So before you go trying to just hook up 3, 4, 5 or 6 speakers on to your amplifier, there are some things you need to know before you destroy that amplifier you spent hundreds of dollars on! You want to get the music to more areas of your landscape but you just can't go hooking up speakers all willy-nilly! There are some rules you need to follow.
Speakers are made to handle specific wattage's. This is the number that most people pay attention to when picking out their speakers. Now I know that when you see a pair of speakers advertised they always tell you how much wattage they can handle. And of course we all want the ones that will handle the most, cause we will be rockin' these babies till the neighbors call, right? Speaker wattage is not what we are most worried about when it comes to hooking up multiple sets or pairs of speakers. The real killer is the resistance that comes with added speakers. Most home speakers, whether they are for in your home or outdoor speakers, are rated for 8 ohms resistance. This can be found on the packaging or in the specifications for each individual model. Some other options available for outdoor speakers and car audio speakers are: 6, 4, 2 or even 0 ohm resistance. And most home amplifiers are rated for 8 ohms. Notice I said "most". You can get amplifiers that are rated for 6, 4, 2 and 0 ohms as well. You just need to know what to look for in you planning stages.
So let us try to explain resistance in terms the average homeowner can understand, shall we? Think of it like this: one speaker connected to your amplifier is like hooking your garden hose up to the faucet, the pressure from the waterline feeding your house is, let's say, 8 ohms. No matter how much you open the valve on the faucet, the pressure of the water coming out of the end of the hose can never get any faster. This is because the resistance of the hose is its diameter, or how big around the hole is through the hose. The pressure flowing through the hose allows the water to shoot out the end about four feet before it hits the ground. Now if we add speakers to the line, it is like taking that hose and doubling the inside hole diameter. Now when we have the water turned all the way up, the water coming out the end is the same size as the hose, but only shoots out about two feet before it hits the ground. Then half that when you add another speaker and double the size of that hose. And so on. The resistance goes down by half when you add another speaker, which requires your amplifier to work 2x harder to get the same amount of wattage to both speakers on that line. Add a third speaker, it works 3x harder. Add a fourth speaker, it works 4x harder.... Get the idea?
To sum it all up; if you add speakers, you decrease the resistance on the amplifier causing it to have to produce the same amount of wattage, faster and harder. If your amplifier is not designed to work at these resistance levels, you will burn it out faster than say, trying to light a cigarette with a blow torch! Amplifiers are designed to work at certain resistance levels only. If they state that they are stable down to 4, 2, or 0 ohms, then they are made with different circuitry to handle higher loads. You will need to keep this in mind when you want to start adding more outdoor speakers to your garden or landscape.
Totally confused yet? Don't worry, most stereo home amplifiers have two sets of outputs labeled "A" and "B" which you can hook a second set of speakers up to and you don't need to worry about resistance issues. I know, I could have told you this at the beginning, but you would never have learned anything about resistance. I know, call be crazy, but I have a feeling you are reading this to make yourself more-smarter, right?
There are ways to keep the amplifier you have and still add more speakers without blowing it up from the resistance. It has to do with running speakers with different resistances in series or parallel to match your amplifiers, but that is for another time I think! So join me next time and I will take you on another amazing outdoor speaker journey!
http://www.outdoorspeakerguy.com
The Best Way to Setup a Home Theater System
A home theater is when you buy audio and video equipment which offers you quality sound and top of the line video performance. In other words, it is just like having your own movie theater in your own home. This product is a great addition to any home and you can save a lot of money if you take your family to a movie on a regular basis, because it give you movie quality pictures right in your family room.
By using a combination of high quality audio and state of the art visual components, you will have the ability to complete a professional movie theater quality environment for you and your family. The set up of the system can be very easy and only requires a DVD player that is delivered through your stereo system and you will also need a fairly large television. Set up can also be very hard and require you to have your whole family room wired with many speakers. To spice up the room you may even want to complete the home theater system with your own theater style chairs and if you really want to get fancy, you may want to elevate the floor for better viewing.
If you would like more information about making a home theater system work more efficiently, you will need to gain some knowledge of how the professionals will design a professional theater. In many cases you will learn that professional theaters have amplifier units that will be located on the left hand side, the right hand side and in the center of the gigantic movie screen, then there are satellite speakers throughout the room. Then there are movie sound editors that will separate the sound track into up to 6 different channels. The audience may hear the dialog from any one of the speakers. This creates the audio environment of the professional movie theater.
Home movie theaters also project high definition movies on a big screen television. The television is usually wider instead of being taller. This ensures that you have a natural viewing experience. The increase in the definition of the film will also add realism to your movie. Many of the movie theater feeling is recreated by you home theater system. The DVD player can even separate your audio tracts into up to 5 different channels.
Many people have different ideas about how to situate their home theatre media center; some will find that their environment and their budget may make having the home theater impossible. However if you should be able to create your theater in the right room, the right design, and equipment selection to ensure your room is ready for heavy movie watching.
When choosing a movie theater you will want to ask yourself a few very important questions. You should know where your theater would be to ensure the maximum space for all of your equipment. You will need to know the amount of space the location has because you will want to give the information to the technician who will help you pick out the right equipment and where to place it in your space. Lastly know your budget and stick to it, that way you will know what you can do and afford when you buy your home theater.
There are a large number of movies on the market on a weekly basis, so you will love seeing them in theater quality seating and sound system of your own home theater.
About the Author
If you are searching for a quality wireless speakers system then look no further than the author's website where you will find speakers from the likes of RCA, Acoustic Research and JBL at discounted prices.
how to setup the frequency in a amp , amplifier?
i just installed my system. so i have two 15 subwoofer and a 2000 watt amp running at 2ohms. before i can listen to music i need to setup the amp but i dont know where to put the frequency in between. i would really appreciate if you could help thanks.first is bass boost the button turns from 0db to 18db should i put it half way or what or at what db would you recommend. next is the bass frequency is between 30hz to 100hz where would you recommend that it should go in between. next is Lpf 30hz to 250hz. i have no idea where that would go. and last is the Hpf which is from 50hz to 1khz. and i dont know where it goes if it goes halfway or all the way to 50hz. so yea please help me on this. give me a # or an estimate where it should go. thanks. i really appreciate it.
Leave boost at 0 dB. Set the boost frequency around 60. Set the LPF and HPF at 80.
Boston Acoustics Tvee Model 20 Review
Introduction The speakers built into our televisions have never really sounded very good. With the exception of the gargantuan rear projection TV cabinets we enjoyed in the ‘80s and ‘90’s, built-in TV speakers have always been small, underpowered and just plain lame sounding. Home theater systems bring the big sound your big picture deserves, but they [...]
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