Electric guitar
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[[Image:Godin LG-Squier Strat.jpg|thumb|right|250px| An electric guitar with [[humbucker]] pickups (left) and a rosewood [[fretboard]] and a [[Squier Stratocaster]] with a maple fretboard and single-coil pickups.]]
An '''electric guitar''' is a type of [[guitar]] that uses [[pickup (music)|pickups]] to convert the vibration of its steel-cored strings into an electrical current, which is made louder with an [[instrument amplifier]] and a speaker. The signal that comes from the guitar is sometimes electronically altered with [[guitar effects]] such as reverb or distortion. While most electric guitars have six strings, seven-string instruments are used by some [[jazz guitarist]]s and metal guitarists (especially in [[death metal]] and [[nu-metal]]), and 12-string electric guitars (with six pairs of strings, four of which are tuned in octaves) are used in genres such as [[jangle pop]] and rock.
The electric guitar was first used by [[jazz guitar]]ists in the 1930s, who used amplified hollow-bodied instruments to get a louder sound in [[Swing (music)|Swing]]-era [[big band]]s. The earliest electric guitars were [[Hollow body|hollow bodied]] [[Steel-string guitar|acoustic]] instruments with [[Tungsten (music)|tungsten]] pickups made by the "[[Rickenbacker]]" company in 1931. While one of the first solid-body guitars was invented by [[Les Paul]], the first commercially successful solid-body electric guitar was the [[Fender Telecaster]] (1946). The electric guitar was a key instrument in the development of post-WW II styles such as [[Chicago blues]], early [[rock and roll]] and rockabilly, and 1970s [[blues rock]]. It is also used in a range of other genres, including [[country music]], ambient (or "[[new-age]]"), and in some [[contemporary classical music]].
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==History==
The need for an amplified guitar became apparent during the [[big band]] era, as jazz orchestras of the 1930s and 1940s increased in size, with larger brass sections. Initially, [[jazz guitar|electric guitars used in jazz]] consisted primarily of hollow [[archtop]] acoustic guitar bodies to which electromagnetic transducers had been attached.
===Early years===
[[Image:rickenbackerfryingpanpatentsketch.png|right|thumb|Sketch of Rickenbacker [[Frying pan (guitar)|"frying pan"]] lap steel from 1934 patent application.]]
Electric guitars were originally designed by an assortment of luthiers, guitar makers, electronics enthusiasts, and instrument manufacturers. Guitar innovator [[Les Paul]] experimented with microphones attached to guitars.<ref>{{cite web
|url = http://www.lemonde.fr/web/article/0,1-0@2-3246,36-941602@51-941668,0.html
|title = Le père de tous les rocker
|accessdate = 2007-08-07
|last = Odjean
|first = Annick
|date = 2007-08-04
|pages = 12
|language = French
|quote = La date ? Bien antérieure aux dates officielles des dictionnaires puisque Les Paul dit avoir fait ses expériences à l'âge de 7-8-9 ans, donc entre 1922 et 1925.}}</ref> Some of the earliest electric guitars adapted [[Hollow body|hollow bodied]] [[Steel-string guitar|acoustic]] instruments and used [[Tungsten (music)|tungsten]] pickups. This type of guitar was manufactured beginning in 1931 by Electro String Instrument Corporation in Los Santos under the direction of Adolph Rickenbacher and George Beauchamp. Their first design was built by Harry Watson, a craftsman who worked for the Electro String Company. This new guitar which the company called "Rickenbackers" would be the first of its kind.<ref>www.rickenbacker.com</ref>
The earliest documented performance with an electric guitar was in 1932, by guitarist and bandleader Gage Brewer. The Wichita, Kansas-based musician had obtained two instruments from [[George Beauchamp]] of Los Angeles, California, and he publicized his new instruments in an article in the Wichita Beacon, [[October 2]], [[1932]] and through a performance later that month. The first recording of an electric guitar was by jazz guitarist [[George Barnes]] who recorded two songs in Chicago on March 1st, 1938: ''Sweetheart Land'' and ''It's a Low-Down Dirty Shame''. Many historians incorrectly attribute the first recording to Eddie Durham, but his recording with the [[Kansas City Five]] was not until 15 days later.<ref>Peter Broadbent, ''Charlie Christian: Solo Flight-The Seminal Electric Guitarist'' (UK: Ashley Mark Publishing Company, 2003), p. 59</ref> Durham introduced the instrument to a young [[Charlie Christian]], who made the instrument famous in his brief life and is generally known as the first electric guitarist and a major influence on jazz guitarists for decades thereafter.
The first recording of an electric guitar west of the Mississippi was in Dallas, in September 1935, during a session with Roy Newman and His Boys, an early [[Western swing]] dance band. Their guitarist, Jim Boyd, used his electrically-amplified guitar during the recording of three songs, ''"Hot Dog Stomp"'' (DAL 178-Vo 03371), ''"[[Shine On, Harvest Moon]]"'' (DAL 180-Vo 03272), and ''"[[Corrine, Corrina]]"'' (DAL 181-Vo/OK 03117).<ref>Govenar, Alan B.; Jay F. Brakefield. ''Deep Ellum and Central Track: Where the Black and White Worlds of Dallas Converged'' (University of North Texas Press, 1998) pp. 242-243</ref><ref>Peter Broadbent, ''Charlie Christian: The Story of the Seminal Electrict Guitarist'' (UK: Ashley Mark Publishing Company, 1997), p. 13</ref><ref>Dempsey, John Mark. ''The Light Crust Doughboys Are on the Air: Celebrating Seventy Years of Texas Music'' (University of North Texas Press, 2002). p.120: "[Jim] Boyd, who played bass and guitar in his on-and-off career with the Doughboys that continued into the 1990s, receives credit from some researchers with what may be the first recorded use of an electric guitar. It occurred in a September 1935 session with the group Roy Newman and His Boys, who played on Dallas radio station WRR. They recorded 'Shine On Harvest Moon,' Corrine, Corrina' and 'Hot Dog Stomp'."</ref> An even earlier Chicago recording of an electrically amplified guitar—albeit an amplified lap steel guitar—was during a series of session by [[Milton Brown|Milton Brown and His Brownies]] (another early Western swing band) that took place January 27-28, 1935, wherein [[Bob Dunn (musician)|Bob Dunn]] played his amplified Hawaiian guitar.<ref>Oliphant Dave ""Texas Jazz: 1920-50", pp. 37-65, ''The Roots of Texas Music'' edited by Lawrence Clayton, Joe W. Specht (Texas A&M University Press, 2005), p. 23: "Prior to Durham's first recorded performance, Bob Dunn had recorded with the Texas Western Swing unit of Milton Brown and His Music Brownies on January 27 and 28, 1935. On this date, Dunn played an amplified steel guitar, which primarily was utilized for Hawaiian music."</ref>
The version of the instrument that is best known today is the [[solid body]] electric guitar, a guitar made of solid wood, without resonating airspaces within it. Rickenbacher, later spelled ''Rickenbacker,'' did, however, offer a cast aluminum electric steel guitar, nicknamed [[Frying pan (guitar)|'''The Frying Pan''']] or '''The Pancake Guitar''', beginning in 1931. This guitar is reported to have sounded quite modern and aggressive when tested by vintage guitar researcher John Teagle. The company [[Audiovox]] built and may have offered an electric solid-body as early as the mid-1930s.
Another early solid body electric guitar was designed and built by musician and inventor [[Les Paul]] in the early 1940s, working after hours in the [[Epiphone|Epiphone Guitar]] factory. His '''log guitar''' (so called because it consisted of a simple 4x4 wood post with a neck attached to it and homemade pickups and hardware, with two detachable Swedish hollow body halves attached to the sides for appearance only) was patented and is often considered to be the first of its kind, although it shares nothing in design or hardware with the solid body "Les Paul" model sold by Gibson. In 1945, Richard D. Bourgerie made an electric guitar pickup and amplifier for professional guitar player George Barnes. Bourgerie worked through World War II at Howard Radio Company making electronic equipment for the American military. Mr. Barnes showed the result to Les Paul, who then arranged for Mr. Bourgerie to have one made for him.
===Fender===
{{main|Fender Musical Instruments Corporation}}
[[Image:Fenderguitarpatentsketch.png|right|thumb|Sketch of Fender lap steel guitar from 1944 patent application.]]
In 1946, radio repairman and instrument amplifier maker [[Clarence Leonidas Fender]]—better known as Leo Fender—through his eponymous company, designed the first commercially successful solid-body electric guitar with a single magnetic pickup, which was initially named the "[[Fender Esquire|Esquire]]". This was a departure from the typically hollow-bodied Jazz-oriented instruments of the time and immediately found favor with Country-Western artists in California. The two-pickup version of the Esquire was called the "Broadcaster". However, [[Gretsch]] had a drumset marketed with a similar name (Broadkaster), so Fender changed the name to "[[Fender Telecaster|Telecaster]]".
Features of the Telecaster included: an ash body; a maple 25½[[inch|"]] scale, 21-fret or 22-fret neck attached to the body with four-bolts reinforced by a steel neckplate; two single-coil, 6-pole pickups (bridge and neck positions) with tone and volume knobs, pickup selector switch; and an output jack mounted on the side of the body. A black bakelite pickguard concealed body routings for pickups and wiring. The bolt-on neck was consistent with Leo Fender's belief that the instrument design should be modular to allow cost-effective and consistent manufacture and assembly, as well as simple repair or replacement. Due to the earlier mentioned trademark issue, some of the first production Telecasters were delivered with headstock decals with the Fender logo but no model identification. These are today very much sought after, and commonly referred to by collectors as "Nocasters".
In 1953, Fender introduced the [[Fender Stratocaster]], or "Strat." The Strat was seen as a deluxe model and offered various product improvements and innovations over the Telecaster. These innovations included a well dried ash or alder double-cutaway body design for badge assembly with an integrated spring [[vibrato]] mechanism (called a ''[[synchronized tremolo]]'' by Fender, thus beginning a confusion of the terms that still continues), three single-coil pickups, and body comfort contours. Leo Fender is also credited with developing the first commercially-successful electric [[bass guitar]] called the [[Fender Precision Bass]], introduced in 1951.
===Vox===
In 1962 [[Vox (musical equipment)|Vox]] introduced the pentagonal Phantom guitar, originally made in England but soon after made by [[Alter EKO]] of Italy. It was followed a year later by the teardrop-shaped Mark VI, the prototype of which was used by [[Brian Jones (musician)|Brian Jones]] of [[The Rolling Stones]], and later [[Johnny Thunders]] of the [[New York Dolls]]. Vox guitars also experimented with onboard effects and electronics. In the mid 1960s, as the sound of electric 12-string guitars became popular, Vox introduced the Phantom XII and Mark XII electric 12-string guitars as well as the Tempest XII which employed a more conventional Fender style body and thus is often overlooked as a Vox classic from the Sixties. The few that were manufactured also came from Italy. Vox also produced other traditional styles of 6- and 12-string electric guitars in both England and Italy.
==Construction==
[[image:Electric_guitar_parts.jpg|thumb|{{Show_hide_box
|title=Legend
|contents=
1. [[Headstock]];
2. [[nut (string instrument)|nut]];
3. [[machine head]]s;
4. [[frets]];
5. [[truss rod]];
6. inlay;
7. [[neck (guitar)|neck]] and [[fretboard]];
8. neck joint;
9. body;
10. [[pickup (music)|pickups]];
11. electronics;
12. [[bridge (guitar)|bridge]];
13. [[pickguard]];
}}]]
===Pickups===
{{main|Pickup (music)}}
Compared with an acoustic guitar, which has a hollow body, electric guitars make comparatively little audible sound simply by having their strings plucked. Rather, the movement of the string generates (i.e., "induces") a very small electrical current in the magnetic pickups, which are [[magnet]]s wrapped with coils of very fine wire.
That current is then sent via a wire to an amplifier.<ref>[http://www.europhysicsnews.com/full/10/article2/article2.html Physics... in action<!-- Bot generated title -->]</ref> The current induced is proportional to such factors as the density of the string or the amount of movement over these pickups. That vibration is, in turn, affected by several factors, such as the composition and shape of the body.
[[Image:Pickups Humb 2Single.jpg |thumb|A close-up of the pickups on a Fender Squirer "Stagemaster" guitar; on the left is a "humbucker" pickup and on the right are two single-coil pickups.]]
Some hybrid electric-acoustic guitars are equipped with additional [[microphone]]s or [[piezoelectric]] pickups ([[transducer]]s) that sense mechanical vibration from the body. Because in some cases it is desirable to isolate the pickups from the vibrations of the strings, a guitar's magnetic pickups will sometimes be embedded or "potted" in epoxy or wax to prevent the pickup from having a microphonic effect.
Because of their natural inductive qualities, all magnetic pickups tend to pick up ambient and usually unwanted electromagnetic noises. The resulting noise, the so-called "[[hum]]", is particularly strong with single-coil pickups, and aggravated by the fact that very few guitars are correctly shielded against electromagnetic interference. The most frequent cause is the strong 50 or 60 [[Hertz|Hz]] component that is inherent in the [[frequency]] generation of current within the local [[Electric power transmission|power transmission]] system. As nearly all amplifiers and audio equipment associated with electrical guitars relies on this power, there is in theory little chance of completely eliminating the introduction of unwanted hum.
Double-coil or "[[humbucker]]" pickups were invented as a way to reduce or counter the unwanted ambient hum sounds. Humbuckers have two coils of opposite magnetic and electric polarity. This means that electromagnetic noise hitting both coils should cancel itself out. The two coils are wired in phase, so the signal picked up by each coil is added together. This creates the richer, "fatter" tone associated with humbucking pickups. The optical pickup <ref>[http://www.lightwave-systems.com/lightwavepickup/LightWavePickup.htm LightWave System Pickup<!-- Bot generated title -->]</ref> senses string and body vibrations using [[LED]] light.
===Tremolo arms===
{{main|Tremolo arm}}
[[Image:Stratocaster detail DSC06937.jpg|thumb|right|Detail of a Squier-made Fender Stratocaster. Note the tremolo arm, the 3 single-coil pickups, the volume and tone knobs.]]
Some electric guitars have a tremolo arm (sometimes called a ''whammy bar'' or a ''vibrato bar''<ref>The word ''Tremolo'' properly describes variation of volume, not pitch (vibrato); however, the misnaming (likely originating with [[Leo Fender]] printing "Synchronized Tremolo" on the headstock of his original 1954 Stratocaster) is too well-established to be easily reversed. Thus the correct name for it is "Vibrato bar".</ref> and occasionally abbreviated as ''trem''), a lever attached to the bridge which can slacken or tighten the strings temporarily, changing the pitch, thereby creating a [[vibrato]] effect.
Early tremolo systems, such as the [[Bigsby vibrato tailpiece]], tended to be unreliable and cause the guitar to go out of tune quite easily, and also had a limited range. Later [[Fender Musical Instruments Corporation|Fender]] designs were better, but Fender held the patent on these, so other companies used Bigsby-style tremolo for many years. With the expiration of the Fender patent on the [[Stratocaster]]-style
tremolo, various improvements on this type of internal, multi-spring tremolo system are now available. [[Floyd Rose]] introduced one of the first improvements on the vibrato system in many years when in the late 1970s he began to experiment with "locking" nuts and bridges which work to prevent the guitar from losing tuning even under the most heavy whammy bar acrobatics. [[Shred guitar]] performers such as [[Eddie Van Halen]] use the tremolo to create dramatic effects, as can be heard in the [[Van Halen]] guitar solo "[[Eruption (song)|Eruption]]."
===Guitar necks===
Electric guitars can have necks that vary according to composition as well as shape. The primary metric used to describe a guitar neck is the ''scale'', which is the overall length of the strings from the nut to the bridge. A typical Fender guitar uses a 25.5 inch scale, while Gibson uses a 24.75 inch scale in their ''[[Gibson Les Paul|Les Paul]]''. The frets are placed proportionally according to the scale length, so the smaller the scale, the tighter the spacing of the frets.
Necks are described as ''bolt-on'', ''set'', or ''[[neck-through]]'' depending on how they are attached to the body. ''Set'' necks are glued to the body in the factory, and are said to have greater sustain. ''Bolt-on'' necks were pioneered by [[Fender Musical Instruments Corporation|Leo Fender]] to facilitate easy adjustment and replacement of the guitar neck. Neck through instruments extend the neck itself to form the center of the guitar body and are also known for long sustain. While a set neck can be carefully unglued by a skilled [[Luthier]], and a bolt-on neck can simply be unscrewed, a neck-through design is difficult or even impossible to repair, depending on the damage. Historically, the bolt-on style has been more popular for ease of installation and adjustment. Some instruments, such as semi-hollow Jazz/Rockabilly instruments and the Gibson ''Les Paul'' series have continued to use set/glued necks. Since bolt-on necks can be easily removed, there is an after-market in replacement bolt-on necks from companies such as Warmoth and Mighty Mite.
The materials used in the manufacture of the neck have great influence over the tone of the instrument. Hardwoods are very much preferred, with [[maple]], [[ash (tree)|ash]], and [[mahogany]] topping the list. The neck and fingerboard can be made from different materials, such as a maple neck with a [[rosewood]] fingerboard. In the 1980s, exotic man-made materials such as graphite began to be used, but are pricey and never really replaced wood in production instruments. Such necks can be retrofitted to existing bolt-on instruments.
There are several different neck shapes used on guitars, including what are known as C necks, and V necks. These refer to the cross-sectional shape of the neck (especially near the nut). There are also several sizes of fret wire available, with traditional players often preferring thin frets, and metal shredders liking thick frets. Thin frets are considered better for playing chords, while thick frets allow lead guitarists to bend notes with less effort. An electric guitar with a neck which folds back called the "Foldaxe" was designed and built for Chet Atkins by Roger Field (featured in Atkins' book "Me and My Guitars."). [[Steinberger]] guitars developed a line of exotic instruments without headstocks, with tuning done on the bridge instead.
=== Sound and effects ===
While an [[Steel-string guitar|acoustic guitar]]'s sound is largely dependent on the vibration of the guitar's body and the air within it, the sound of an electric guitar is largely dependent on a magnetically induced [[electrical signal]], generated by the vibration of metal strings near sensitive pickups. The signal is then "[[Shaping|shaped]]" on its path to the [[amplifier]] by using a range of effect devices or circuits that modify the tone and characteristics of the signal. The most basic sound-shaping circuitry are the volume control (potentiometer), tone control (which "rolls off" the treble frequencies), and pick-up selectors which are found on most electric guitars, and the gain and tone (usually consisting of at least bass and treble) controls on the guitar amplifier.
In the 1960s, some guitarists began exploring a wider range of tonal effects by [[Distortion (guitar)|distorting]] the sound of the instrument. To do this, they increased the [[gain]], or [[volume]], of the [[Pre amplifier|preamplifier]], which produced a "fuzzy" sound. This effect is called "clipping" by sound engineers, because when viewed with an oscilloscope, the wave forms of a distorted signal appear to have had their peaks "clipped" off. This was not actually a new development in the instrument, but rather a shift of aesthetics. This sound was not generally recognized previously as desirable. In the 1960s, the [[timbre|tonal palette]] of the electric guitar was further modified by introducing an [[Effects unit|effects box]] in its signal path. Traditionally built in a small metal chassis with an on/off foot switch, such "[[stomp box]]es" have become an important part of the electric guitar tone in many genres. Typical effects include [[chorus effect|stereo chorus]], [[fuzz (electric guitar)|fuzz]], [[Wah-wah pedal|wah-wah]] and [[flanging]], [[compression (electric guitar)|compression/sustain]], [[Delay (audio effect)|delay]], [[reverberation|reverb]], and [[phaser (effect)|phase shift]]. Not all special effects are electronic; in 1967, guitarist [[Jimmy Page]] of [[The Yardbirds]] created unusual, psychedelic sound effects by playing the electric guitar with a violin bow and smacking the strings with the bow.
[[Image:DS 1 Distortion.jpg|thumb| A Boss "stomp-box"-style distortion pedal in use.]]
In the 1970s, as effects pedals proliferated, their sounds were combined with power-tube distortion at lower, more controlled volumes by using [[Attenuator (electronics)|power attenuators]] such as Tom Scholz' Power Soak as well as re-amplified dummy loads such as Eddie Van Halen's use of a [[variac]], power resistor, post-power-tube effects, and a final solid-state amp driving the guitar speakers. A [[variac]] is one approach to power-supply based power attenuation, to make the sound of power-tube distortion more practically available.
By the 1980s and 1990s, digital and software effects became capable of replicating the analog effects used in the past. These new digital effects attempted to model the sound produced by analog effects and tube amps, to varying degrees of quality. There are many free guitar effects computer programs for PCs that can be downloaded from the Internet. By the 2000s, PCs with specially-designed sound cards could be used as digital guitar effects processors. Although digital and software effects offer many advantages, many guitarists still use analog effects.
In 2002, Gibson announced the first digital guitar, which performs analog-to-digital conversion internally. The resulting digital signal is delivered over a standard [[Ethernet]] cable, eliminating cable-induced line noise. The guitar also provides independent signal processing for each individual string. Also, in 2003 [[instrument amplifier|amp]] maker [[Line 6]] released the [[Variax]] guitar. It differs in some fundamental ways from conventional solid-body electrics. For example it uses [[Pickup (music)#Piezoelectric pickups|piezoelectric pickup]]s instead of the conventional electromagnetic ones, and has an onboard computer capable of modifying the sound of the guitar to model the sound of many instruments.
== Types ==
=== Solid body ===
[[image:E-guitar-body.jpg|thumb|The wooden body of a solid body Fender is finished with a clear lacquer coating.]]
Solid body electric guitars are guitars that have no hollow internal cavity to accommodate vibration or sound holes, such as those used to amplify string vibrations in [[acoustic guitar]]s. Solid body instruments are generally made of hardwood with a lacquer coating and have six steel strings. The wood is dried for 3 to 6 months in heated storage before cutting the wood to shape. The [[sound]] that is audible in [[music]] featuring electric guitars is produced by pickups on the guitar which convert the string vibrations into an electrical signal. The signal is then fed to an [[amplifier]] (or amp) and [[Computer speaker|speaker]].
One of the first solid body guitars was invented by [[Les Paul]]. [[Gibson Guitar Corporation|Gibson]] did not present their '[[Gibson Les Paul|Les Paul]]' guitar prototypes to the public, as they did not believe it would catch on. The first mass-produced solid-body guitar was [[Fender Musical Instruments Corporation|Fender]]'s Broadcaster (later to become the '[[Telecaster]]') first made in 1948, five years after Les Paul made his [[prototype]]. The Gibson Les Paul appeared soon after to compete with the Broadcaster.<ref>Alan Ratcliffe, ''Electric Guitar Handbook'' (UK: New Holland Publishers, 2005), p. 11</ref>
===Hollow body===
{{main|Semi-acoustic guitar}}
These guitars have a hollow body and electronic pickups mounted on its body. They work in a similar way to solid body electric guitars except that because the hollow body also vibrates, the pickups convert a combination of string and body vibration into an electrical signal. A variant form, the semi-hollow body guitar, strikes a balance between the characteristics of solid-body and hollow-body guitars. Advocates of semi-hollow-body guitars argue that they have greater resonance and sustain than true solid-body guitars,<ref>Dave Hunter, ''Chambering the Les Paul: A Marriage of Weight and Tone'' (Gibson Lifestyle, 2007), {{cite web|url=http://www.gibson.com/en-us/Lifestyle/ProductSpotlight/GearAndInstruments/Chambering%20the%20Les%20Paul_%20A%20Mar/ |title=Chambering the Les Paul: A Marriage of Weight and Tone}}</ref> as well as lighter overall weight. Typically, a semi-hollow body guitar will have a form factor more similar to a solid-body electric guitar, and may include two sound holes, one, or none.
[[Image:Guitard Epiphone 03.jpg|thumb|125px|An Epiphone brand semi-acoustic hollowbody guitar.]]
=== Metal body ===
There are have been a number of metal bodied guitars that have worked with the unique acoustic/sustaining qualities of metal. These are not hollow-bodied guitars, like a blues steel-bodied guitar, although most are chambered for weight; instead, these metal-bodied guitars are built play as solid wood body. Several metal bodies were made in the 1950s by violin and cello makers. In the 1970s, John Veleno made a polished aluminum guitar. Liquid Metal Guitars makes a metal body guitar made out of a solid block of alumimum and then chrome or gold-plates the instrument. Many guitars otherwise sold as solid-bodied instruments, such as the [[Gibson Les Paul]] or the [[PRS Guitars|PRS]] Singlecut, are built with "weight relief" holes bored into the body which affect the sound of the instrument<ref>{{cite web|title=Les Paul Forum Frequently Asked Questions|url=http://www.lespaulforum.com/faqpage.html#weighti}}</ref>. The Les Paul Supreme edition is currently described by the manufacturer as a "chambered" instrument, with a weight relief system designed to positively affect the sound.
===Acoustic-Electric===
Some [[steel-string acoustic guitar]]s are fitted with [[pickup (music)|pickups]] purely as an alternative to using a separate microphone. They may also be fitted with a [[Piezoelectricity|piezo-electric]] pickup under the bridge, attached to the bridge mounting plate, or with a low mass [[microphone]] (usually a condenser mic) inside the body of the guitar that will convert the vibrations in the body into electronic signals, or even combinations of these types of pickups, with an integral mixer/preamp/graphic equalizer. These are called [[electric acoustic guitar]]s, and are regarded as acoustic guitars rather than electric guitars because the pickups do not produce a signal directly from the vibration of the strings, but rather from the vibration of the guitar top or body. These should not be confused with [[hollow body electric guitar]]s, which have pickups of the type found on solid body electric guitars.
===String, bridge, and neck variants===
====Less than six====
Although rare, the one-string guitar is sometimes heard, particularly in [[Delta blues]], where improvised folk instruments were popular in the 1930s and 1940s. [[Eddie "One String" Jones]] had some regional success with a Mississippi blues musician [[Lonnie Pitchford]] played a similar, homemade instrument. In a more contemporary style, [[Little Willie Joe]], the inventor of the '''Unitar''' had a considerable [[rhythm and blues]] [[instrumental]] hit in the 1950s with "Twitchy", recorded with the Hall Orchestra. The best-known exponent of the four-string guitar, often called the [[tenor guitar]] was [[Tiny Grimes]], who played on [[52nd Street (Manhattan)|52nd Street]] with the [[bebop]]pers and played a major role in the Prestige Blues Swingers. Grimes' guitar omitted the bottom two strings. [[Deron Miller]] of [[CKY (band)|CKY]] only uses four strings, but plays a six string guitar with the two highest strings removed. Many banjo players use this tuning: DGBE, mostly in Dixieland. Guitar players find this an easier transition than learning plectrum or tenor tuning.
====Seven-string====
{{main|Seven-string guitar}}
Most Seven-string guitars add a low "B" string below the low "E". Both electric and [[classical guitar]]s exist designed for this tuning. Another less common seven-string arrangement is a second G string situated beside the standard G string and tuned an octave higher, in the same manner as a twelve-stringed guitar (see below). [[Jazz guitarist]]s using a seven-string include veteran jazz guitarists [[George Van Eps]], [[Bucky Pizzarelli]] and his son [[John Pizzarelli]].
Seven-string electric guitars were popularized among rock players in the 1980s by [[Steve Vai]]. Along with the Japanese guitar company [[Ibanez]], Vai created the [[Ibanez Universe|Universe]] series seven string guitars in the 1980s, with a double locking tremolo system for a seven string guitar. These models were based on Vai's six string signature series, the [[Ibanez Jem]]. Seven-string guitars experienced a resurgence in popularity in the 2000s, championed by [[Korn]], [[Fear Factory]], [[Strapping Young Lad]], [[Nevermore]], and other [[hard rock]]/[[heavy metal music|metal]] bands. Metal musicians often prefer the seven-string guitar for its extended lower range. The seven-string guitar has also played an essential role in progressive rock, and is commonly used in bands such as [[Dream Theater]] and by experimental guitarists such as Ben Levin.
====Eight and nine-string====
{{main|Eight string guitar}}
Eight-string electric guitars are rare, but not unused. One is played by [[Charlie Hunter]] (manufactured by [[Novax Guitars]]). The largest manufacturer of 8- to 14-strings is Warr Guitars. Their models are used by [[Trey Gunn]] (ex [[King Crimson]]) who has his own ''signature'' line from the company. Also, Mårten Hagström and Fredrik Thordendahl of [[Meshuggah]] used 8-string guitars made by Nevborn Guitars and now guitars by [[Ibanez]]. [[Munky]] of [[nu metal]] band [[Korn]] is also known to use eight-string Ibanez guitars and it is rumoured that he is planning to release a K8 eight-string guitar similar to his K7 seven-string guitar. In 2008 Ibanez released the Ibanez RG2228-GK which is the first mass produced eight-string guitar. [[Jethro Tull (band)|Jethro Tull]]'s first album uses a nine-string guitar on one track. Josh Smith of the band [[The Fucking Champs]] plays a 9-string guitar, with two G, B, and high E strings each, tuned in unison. Matt Pike of the band High On Fire also uses a Custom 9 string guitar made by First Act Guitars.
====Twelve-string====
{{main|Twelve string guitar}}
Twelve string electric guitars feature six pairs of strings, usually with each pair tuned to the same note. The extra E, A, D, and G strings add a note one octave above, and the extra B and E strings are in unison. The pairs of strings are played together as one, so the technique and tuning are the same as a conventional guitar, although creating a much fuller tone. They are used almost solely to play harmony and rhythm. They are relatively common in [[folk rock]] music. [[Lead Belly]] is the folk artist most identified with the twelve-string, usually acoustic with pickup.
[[George Harrison]] of [[The Beatles]] and [[Roger McGuinn]] of [[The Byrds]] brought the electric twelve-string to notability in [[rock and roll]]. During the Beatles' first trip to the U.S., in February 1964, Harrison received a new "[[Rickenbacker 360/12|360/12]]" model guitar from the [[Rickenbacker]] company; this was a 12-string electric made to look onstage like a 6-string. He began using the 360 in the studio on Lennon's "You Can't Do That" and other songs. Roger McGuinn, looking for the sound of a twelve string but on an electric had an epiphany when viewing The Beatles "Hard Days Night" movie, when he realised that George was playing a twelve string electric. He liked the sound so much that it became his signature guitar sound with The Byrds. Another notable guitarist to utilise 12-string guitars is [[Richie Sambora]], the guitarist with rock group [[Bon Jovi]]. He has played a double neck guitar with a 12 string neck for years, most notably live for the hit song [[Wanted Dead or Alive]].
====3rd bridge====
{{main|3rd Bridge}}
The 3rd bridge guitar is an electric [[prepared guitar]] with an additional 3rd bridge. This can be a normal guitar with for instance a screwdriver placed under the strings, but can also be a [[custom made instrument]]. [[Lee Ranaldo]] of [[Sonic Youth]] plays with a 3rd bridge.
====Double neck guitars====
{{main|Double neck guitar}}
[[Double-neck guitars|Double-neck]] (or, less commonly, "twin-neck") guitars enable guitarists to play guitar and bass guitar or, more commonly, a six-string and [[twelve-string guitar|twelve-string]]. [[Jimmy Page]]'s use of a custom-made Gibson EDS-1275, to enable him to replicate his use of two different guitars when performing Led Zeppelin's song "[[Stairway to Heaven]]" in a concert setting, brought double-necked guitars into the public eye. [[Don Felder]] also used the Gibson EDS-1275 during the [[Hotel California]] tour.
There were also some double necks that had two 6 string necks. These would have two different pickup configurations for two entirely different sounds and tones. The most popular 6 and 6 were made by [[Ibanez]] in the early 1980s. These were copies of the [[Gibson Guitar Corporation|Gibson]] SG style 6 and 12, and were also referred to as the "pre-lawsuit" guitars. [[Ibanez]] stopped production when they lost a law suit to [[Gibson Guitar Corporation|Gibson]]. In some cases the "lawsuit" guitars played just as well as the [[Gibson Guitar Corporation|Gibsons]], and sometimes better, at a fraction of the cost. The [[Gibson Guitar Corporation|Gibson]] 6 and 12 was also popularized by the [[Eagles]] hit "Hotel California". The guitar can be heard noticeably in the intro and solo.
English [[progressive rock]] bands such as [[Genesis (band)|Genesis]] used custom made instruments produced by the [[Shergold]] company. [[Rick Nielsen]], guitarist for [[Cheap Trick]], uses a variety of custom guitars mostly made by [[Hamer Guitars]], many of which have five necks, with the strap attached to the body by a swivel so that the guitar can be rotated to put any neck into playing position. Guitarist [[Steve Vai]] occasionally uses a triple-neck guitar; one neck is twelve string, one is six string and the third is a fretless six string. Today, you can buy up to six necks on a guitar, consisting of various combinations and variations of the six string guitar and four string electric bass guitar.
==Uses==
The electric guitar can be played either solo or with other instruments. It has been used in numerous genres of popular music, as well as (less frequently) classical music.
===Contemporary classical music===
While the [[classical guitar]] had historically been the only variety of guitar favored by classical composers, in the 1950s a few [[Contemporary classical music|contemporary classical]] composers began to use the electric guitar in their compositions. Examples of such works include [[Karlheinz Stockhausen]]'s ''[[Gruppen (Stockhausen)|Gruppen]]'' (1955-57); [[Donald Erb]]'s ''String Trio'' (1966), [[Morton Feldman]]'s ''The Possibility of a New Work for Electric Guitar'' (1966); [[George Crumb]]'s ''Songs, Drones, and Refrains of Death'' (1968); [[Hans Werner Henze]]'s ''Versuch über Schweine'' (1968); [[Francis Thorne]]'s ''Sonar Plexus'' (1968) and ''Liebesrock'' (1968–69), [[Michael Tippett]]'s ''[[The Knot Garden]]'' (1965-70); [[Leonard Bernstein]]'s ''[[Mass (Bernstein)|MASS]]''<!--Note: the composer titled this work in ALL CAPS--> (1971) and ''Slava!'' (1977); [[Louis Andriessen]]'s ''De Staat'' (1972-76); [[Steve Reich]]'s ''[[Electric Counterpoint]]'' (1987), [[Arvo Pärt]]'s ''Miserere'' (1989/92), and countless works composed for the quintet of [[Ástor Piazzolla]].
In the 1980s and 1990s, a growing number of composers (many of them composer-performers who had grown up playing the instrument in rock bands) began writing for the electric guitar. These include [[Steven Mackey]], [[Nick Didkovsky]], [[Scott Johnson (composer)|Scott Johnson]], [[Lois V Vierk]], [[Tim Brady (composer)|Tim Brady]], [[Tristan Murail]], [[John Fitz Rogers]], and Randall Woolf. [[Yngwie Malmsteen]] released his [[Concerto Suite for Electric Guitar and Orchestra]] in 1998, and [[Steve Vai]] released a double-live CD entitled ''[[Sound Theories]]'', of his work with the [[Netherlands Metropole Orchestra]] in June 2007.<ref>[http://vai.com/News/index.html [ vai.com - the official steve vai website ]<!-- Bot generated title -->]</ref> The American composers [[Glenn Branca]] and [[Rhys Chatham]] have written "symphonic" works for large ensembles of electric guitars, in some cases numbering up to 100 players, and the instrument is a core member of the [[Bang on a Can]] All-Stars (played by [[Mark Stewart (guitarist)|Mark Stewart]]). Still, like many electric and electronic instruments, the electric guitar remains primarily associated with rock and jazz music, rather than with classical compositions and performances.<ref>For more on this subject see Robert Tomaro's "Contemporary Compositional Techniques for the Electric Guitar in United States Concert Music," published in ''The Journal for New Music Research'', v. 23, no. 4 (December 1994), pp. 349-367.</ref> [[Guitar Prasanna|R. Prasanna]] plays Indian [[Carnatic music]] on the electric guitar.
== See also ==
{{guitar}}
* [[:Category:Guitar manufacturing companies|Guitar manufacturing companies]]
* [[3rd Bridge]]
* [[Guitar harmonics]]
* [[Guitar/synthesizer]]
* [[Bass guitar]]
* [[Guitar effects]]
* [[Guitar amplifier]]
* [[Distortion (guitar)]]
* [[Guitar pedalboard]]
* [[Electric pipa]]
* [[Red Special]]
== References ==
{{refs|2}}
== Further reading ==
* Ralph Denyer, ''The Guitar Handbook'', (ISBN 0-3303-2750-X), <small>Pan Books; 2Rev Ed edition ([[27 November]] [[1992]])</small>
== External links ==
{{commonscat|Electric guitars}}
* [http://www.gibson.com/Products/GibsonElectric/ Gibson electric guitar]
* [http://www.guitar-advisor.com/ Fender guitar]
* [http://invention.smithsonian.org/centerpieces/guitars/ From Frying Pan to Flying V: The Rise of the Electric Guitar]
* [http://entertainment.howstuffworks.com/electric-guitar.htm HowStuffWorks] - Includes a thorough article about how electric guitars work
* [http://www.liutaiomottola.com/instruments/wing.htm Chicken Wing Solid Body Electric Guitar] - downloadable plans for building a solid body electric guitar, on the [http://www.liutaiomottola.com/ Liutaio Mottola Lutherie Information Website].
* [http://www.borntorock.tv/ "Born to Rock" guitar exhibit] at [[Harrods]], London, February 2007, featuring the 1931 Rickenbacker "Frying Pan". Also see [[BBC 6 Music]] * [http://www.bbc.co.uk/6music/news/20070202_borntorock.shtml news story.]
* [http://www.the-jime.dk/Rockabilly_Guitar.htm The Rockabilly Guitar Page] - The first electric rock guitars. Detailed info on recording sessions of the first rock hits.
* [http://www.guitarflame.com Electric guitars stories] - Electric guitars stories from a semi professional guitar player
* [http://invention.smithsonian.org/centerpieces/electricguitar/index.htm The Invention of the Electric Guitar] - Online exhibition at the [[Smithsonian Institution]]'s [[National Museum of American History]]
[[Category:Amplified instruments]]
[[Category:Electric guitars|*]]
[[Category:Music hardware]]
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