For amplifiers for bass guitar, see Bass amplifier.
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Mesa-Boogie "Mark IV", a guitar combo amplifier
A guitar amplifier (or amp) is an electronic device or system that strengthens the electrical signal from a pickup on an electric guitar, bass guitar, or acoustic guitar so that it can produce sound through one or more loudspeakers, which are typically housed in a wooden cabinet. A guitar amplifier may be a standalone wood or metal cabinet that contains only the power amplifier (and preamplifier) circuits, requiring the use of a separate speaker cabinet–or it may be a "combo" amplifier, which contains both the amplifier and one or more speakers in a wooden cabinet. There is a wide range of sizes and power ratings for guitar amplifiers, from small, lightweight "practice amplifiers" with a single 6-inch speaker and a 10-watt amp to heavy combo amps with four 10-inch or four 12-inch speakers and a 100-watt amplifier, which are loud enough to use in a nightclub or bar performance.
Guitar amplifiers can also modify an instrument's tone by emphasizing or de-emphasizing certain frequencies, using equalizer controls, which function the same way as the bass and treble knobs on a home stereo, and by adding electronic effects; distortion (also called "overdrive") and reverb are commonly available as built-in features. The input of modern guitar amplifiers is a 1/4" jack, which is fed a signal from an electro-magnetic pickup (from an electric guitar) or a piezoelectric pickup (usually from an acoustic guitar) using a patch cord, or a wireless transmitter. For electric guitar players, their choice of amp and the settings they use on the amplifier are a key part of their signature tone or sound. Some guitar players are longtime users of a specific amp brand or model. Guitarists may also use external effects pedals to alter the sound of their tone before the signal reaches the amplifier.
controls, a power amplifier and one or more loudspeakers ("drivers") in a cabinet. While bass amps share many features with the guitaramplifiers used for electric...
Fender amplifiers are a series of electric instrument amplifiers produced by the Fender Musical Instruments Corporation. The first guitaramplifiers attributed...
audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup,...
for applications such as guitaramplifiers, satellite transponders such as DirecTV and GPS, high quality stereo amplifiers, military applications (such...
to feed to a loudspeaker. An instrument amplifier is used with musical instruments such as an electric guitar, an electric bass, electric organ, electric...
floor and controlled with footswitches. They may also be built into guitaramplifiers, instruments (such as the Hammond B-3 organ), tabletop units designed...
Dumble was a guitaramplifier manufacturer in Los Angeles, California. In the one-person operation, Alexander "Howard" Dumble (June 1, 1944 – January 16...
Suhr Guitars (/ˈsər/; officially JS Technologies Inc) is an American company that manufactures electric guitars and basses, guitaramplifiers, and effect...
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or...
the standard 6505 amplifiers.[citation needed] The Bandit amp series are solid-state combo guitaramplifiers. The Bandit amplifiers were introduced in...
The Peavey 5150 is a vacuum tube based guitaramplifier made by Peavey Electronics from 1992 on. The amplifier was initially created as a signature model...
means of a resonant hollow chamber on the guitar, or amplified by an electronic pickup and an amplifier. The guitar is classified as a chordophone, meaning...
power amplifier classes are letter symbols applied to different power amplifier types. The class gives a broad indication of an amplifier's characteristics...
pickup and plugging it into a guitaramplifier and speaker. Another type of guitar is the low-pitched bass guitar. A guitar can be described as all of the...
is an electric guitaramplifier created in 1972 by Queen's bassist John Deacon, who is an electronics engineer by training. The amplifier circuit board...
guitar amplifiers and other related electronic equipment such as effect pedals. Once the guitar equipment has been set up onstage, the guitar tech does...
guitarists employ a guitaramplifier and a range of effects such as distortion. This creates a sustained guitar tone and may facilitate guitar feedback. The...
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