Receivers are often described as the most important parts of home theater systems. Receivers are designed to process signals from a television or DVD, sending them on to the related components. Home theater receivers are designed to allow you to choose the component you want to use for your viewing or listening pleasure. For example, you might choose to watch content from a VCR or listen to music from a DVD player or VCR. A home theater receiver may also act as a stereo tuner, digital to analog-audio decoder, and digital signal processor. Furthermore, these receivers can also serve to amplify low-level sound. A used receiver can be purchased as a self-contained, independent unit. You would connect speakers and other equipment to this type of receiver. Other used receivers have DVD players built right in, often bundled with speakers as well. Many consider stand-alone home theater receivers better in terms of performance. Likewise, home theater fans tend to appreciate the expandability of such units. Also, don't get a receiver confused with a pre-amplifier. Pre-amplifiers are capable of such tasks as digital-signal processing and equipment switching. They are also useful for post-processing functions. However, home theater receivers perform these tasks and more. To be equivalent to the functionality of a home theater receiver, a pre-amp must generally be used with a tuner and a power amp. The amount of power you need in a home theater receiver will depend on many factors including the size of your room, the volume at which you enjoy your audio, and the sensitivity level of your loudspeakers. There are many brands available, each offering various benefits and features. Popular used brands include Harmon Kardon, Denon, and many others. |
