If you have a home cinema amplifier with a radio in, it’s an AV Receiver. The radio is selected like any other input on the amp but no other connection is needed other than a pair of speakers. So far so good… but where do receivers fit into this? A receiver is an amplifier that has a radio section built in. With amplifiers like our CXA81, both functions are placed in a single chassis and referred to as an integrated amplifier. If the functions are split into two boxes like the Edge NQ and Edge W, these are referred to as pre and power amps. The second does the ‘heavy lifting’ and adds the gain to the signals in order to be used to power a pair of speakers. The first allows you to collate and select multiple inputs and select the required level of gain and is generally referred to as the preamplifier. The functions of an amp can be split into two main sections. We’re going to cover them to see which is best for you.Īn amplifier is the device that turns the low voltage signals from your source equipment into a signal with enough gain to be used to power a pair of speakers. A good example of this is with the terms ‘amplifier’ and ‘receiver.’ It can seem that they are completely interchangeable terms, but there are differences between the two. If there’s one thing the audio industry has made an art form, it’s using terminology that means almost, but not quite the same thing.
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