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 Home > Learning Center > Guitar Amplifier

Guitar Amplifier

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A guitar amplifier (or guitar amp) is an electronic amplifier designed to make the signal of an electric or acoustic guitar louder. It will produce sound through a loudspeaker and modify the tone by emphasizing or de-emphasizing certain frequencies and adding electronic effects. The amplifier comprises a preamplifier stage, which amplifies the voltage of the signal from the guitar, and a power amplifier stage which delivers a higher current to the speaker to produce sound.

The preamplifier stage may also have electronic effects such as distortion, chorus, or reverb and additional controls such as a graphic equalizer. Guitar Amplifiers may use tubes, or solid state devices, or a mixture of both. There are two configurations of guitar amplifiers: combination amplifiers, which include an amplifier and one, two, or four speakers in a wooden cabinet; and the standalone amplifier, which does not include a speaker.

Guitar amplifiers range in price and quality from small, low-powered practice amplifiers, designed for students, which sell for less than US$50, to expensive "boutique" amplifiers which are custom-made for professional musicians and can cost thousands of dollars. Guitar Amplifier makes the sound of a guitar louder. This can even hide mistakes from time to time.

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