The majority of audio systems come with a receiver that amplifies the sound and receives radio. Generally a higher wattage system will produce a louder sound but that does not necessarily mean it will be better quality. When choosing your audio system consider what it will be mainly used for.
If you plan to listen to music then you will need a different sort of audio system, whereas if you plan to use it as part of your home cinema system you will need an inbuilt sound decoder and, depending on your intentions, a lot more speaker outputs and possibly line level outputs.
A tuner is a radio unit that does not have a built in amplifier. Today, the majority of tuners have a radio data system or RDS that allows radio stations to send information to the listener, for example the name of the track that is playing. This information is received through an LCD screen at the front of the machine.
The majority of tuners also feature autotune capabilities so you can find stations easily and save your favourite stations onto the machine.
Despite downloading becoming an increasingly popular way of buying music, CD players are still very common in audio systems. Some systems will have more for multiple discs to be stored at any one time.
Although quality even better than CD supposedly exists on newer technology (media players with higher resolution files), CD is typically good enough for just about any listener and your CD player will definitely not be the weakest link in your audio system.
The speakers you choose for your audio system are an essential part of your equipment if you want to produce the best possible sound. Unless your speakers are good then the sound quality provided by your system doesn't really matter as it'll never produce a good sound.
Speakers come in a huge variety of styles, sizes and designs and range in price from a few pounds to thousands of pounds, depending on what you choose.
Different speaker designs include closed box, reflected bass and slave bass. The most common types of speaker for home use are closed box and reflected bass which are able to produce a powerful low tones.
Check the Frequency Response of the audio system you are considering and especially that of the speakers. For decent bass, get speakers that are capable of going below 60 Hz. For great bass, get 40 Hz or so, and below that is exceptional.
Placing your speakers
Once you've chosen the speakers you want it's important to consider where you place them in your home carefully. Large items of furniture in the way of your speakers can affect the sound so try to leave space in front of them. If your speakers aren't designed to be put on the floor then place them on a stand so that the full effect of the sound can be heard. Avoid corners if you can, and leave 3 to 5 feet between the speaker and any wall, especially if your speakers have rear bass ports.
If you have two speakers then place them away from each other on separate sides of the room to get the full benefit of the sound produced.
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