What is an Amplifier and AV Receiver? Differences between Amplifier and AV Receiver?
Amplifier:
An amplifier is a device that increases
the amplitude of an audio signal, thereby increasing the volume of the sound.
It is an electronic circuit that takes a low-level audio signal as input and
produces a higher-level signal as output. Amplifiers are commonly used in audio
systems to drive speakers.
AV Receiver:
An AV receiver, on the other hand, is a
device that combines an amplifier with a radio tuner, digital signal
processing, and various inputs and outputs for connecting audio and video
sources. It is designed to act as the central hub of a home theater system,
allowing users to switch between various audio and video sources, control
volume levels, and customize sound settings. An AV receiver can also decode and
process surround sound formats such as Dolby Atmos and DTS:X, and distribute
the sound to multiple speakers.
Here are some differences between an
amplifier and an AV receiver:
Functionality: An amplifier is primarily
designed to increase the volume of an audio signal, while an AV receiver is a
combination of an amplifier and a multi-channel audio/video processor. An AV
receiver can perform various functions, such as decoding surround sound
formats, switching between multiple audio/video sources, and controlling
speaker settings.
Inputs and Outputs: Amplifiers typically
have fewer inputs and outputs compared to an AV receiver, which can have a wide
range of inputs and outputs, including HDMI, RCA, optical, coaxial, and USB.
Power: An amplifier usually provides
more power per channel than an AV receiver, allowing it to drive speakers to
higher volumes. However, an AV receiver can provide enough power for most home
theater setups.
Price: Amplifiers are generally less
expensive than AV receivers due to their limited functionality. AV receivers
are more expensive because of their additional features, such as processing and
switching of audio/video signals.
Speaker support: Amplifiers are
typically used with two speakers, while AV receivers can support multiple
speakers, including surround sound setups.
Ease of use: AV receivers are generally
easier to use than amplifiers due to their more user-friendly interface and
remote control. An amplifier usually requires manual adjustments, and the user
has to control the source selection and volume levels manually.
Upgradability: An AV receiver is more
upgradable than an amplifier as it can accept new audio and video formats and
can also be expanded with additional speakers and amplifiers. An amplifier is
limited to the number of speakers it can support and may require an upgrade to
accommodate additional speakers.
Conclusion:
While an amplifier is primarily designed to increase the volume of an audio signal, an AV receiver is designed to provide a range of features for a home theater system, including amplification, source switching, and processing of surround sound formats. Amplifiers are typically used in stereo systems, while AV receivers are more commonly used in home theater systems.
- Yamaha
- Marantz
- Onkyo
- Denon
- McIntosh
- Cambridge Audio
- NAD
- Arcam
- Rotel
- Anthem
- Pioneer
- Sony
- Harman Kardon
- Accuphase
- Parasound
- Musical Fidelity
- Bryston
- Classe
- Hegel
- Rega
Note that this list is not exhaustive, and there are many other reputable brands that produce high-quality stereo amplifiers.
- Yamaha
- Denon
- Marantz
- Onkyo
- Sony
- Pioneer
- Anthem
- NAD
- McIntosh
- Arcam
- Rotel
- Cambridge Audio
- Harman Kardon
- Integra
- Outlaw Audio
- Emotiva
- Sherwood
- Bryston
- Parasound
- Lexicon
Note that this list is not exhaustive, and there are many other reputable brands that produce high-quality AV Receivers.
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