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Audio Amplifiers
http://hyperphysics.phy-astr.gsu.edu/hbase/Audio/amp.html#:~:text=The%20task%20of%20an%20audio%20amplifier%20is%20to,the%20waveform%20and%20hence%20the%20qualityof%20the%20sound.
Audio Amplifiers
http://hyperphysics.phy-astr.gsu.edu/hbase/Audio/amp.html
Amplifiers. The task of an audio amplifier is to take a small signal and make it bigger without making any other changes in it. This is a demanding task, because. a musical sound usually contains several frequencies, all of which must be amplified by the same factor to avoid changing the waveform and hence the quality of the sound. An amplifier which multiplies the amplitudes …
The Benefits of Power Amplifiers | Cambridge Audio US
https://www.cambridgeaudio.com/usa/en/blog/benefits-power-amplifiers
With a power amplifier, the internals can be laid out in the best way possible for one task alone, taking a single input and amplifying it for your speakers. The power supply can be specified for this one task, there is no need to try and lay the amplifier out to help the preamp work effectively and this means that signal paths can be as short as possible and components placed where …
How does an amplifier work? - Explain that Stuff
https://www.explainthatstuff.com/amplifiers.html
Amplifiers aren't always designed to carry out simple, straightforward signal boosting. Operational amplifiers ("op-amps"), for example, are common components in electronic circuits that can be used for all kinds of things, from basic computing operations like addition and subtraction to signal filtering and oscillation.
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