Nut (string instrument)

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The nuts of some common instruments

A nut, on a stringed musical instrument, is a small piece of hard material that supports the strings at the end closest to the headstock or scroll. The nut marks one end of the vibrating length of each open string, sets the spacing of the strings across the neck, and usually holds the strings at the proper height from the fingerboard. Along with the bridge, the nut defines the scale lengths (vibrating length) of the open strings.

Contents

The nut may be made of ebony, ivory, cow bone, brass, Corian or plastic, and is usually notched or grooved for the strings. The grooves are designed to lead the string from the fingerboard to the headstock or pegbox in a smooth curve, to prevent damage to the strings or their windings. Bowed string instruments in particular benefit from an application of soft pencil graphite in the notches of the nut, to preserve the delicate flat windings of their strings.

Etymology

The word may have come from the German Nut (pronounced "noot"), meaning groove or slot. The nut, however, is called a de:Sattel ("saddle"; also Obersattel) in German, whereas the part of a guitar known as the saddle in English, the surface of the bridge on which the strings rest, is called a de:Stegeinlage or Steg, in German. In French, the nut is known as a fr:sillet , which, like German, can also translate to mean saddle. The Italian term, capo tasto (or capotasto; "head of fretboard"), is the origin of the capo.

Variations

Not all string instruments have nuts as described. The nuts on some instruments are notched deeply enough that they are just string spacers. These instruments use a zero fret—a fret at the beginning of the scale where a normal nut would be that provides the correct string clearance. The zero fret is often found on less expensive instruments, as it is easier to set up an instrument this way. However, a zero fret also makes the sound of the open string similar to fretted notes. A conventional nut can make open strings sound slightly different—and for this reason some high-end instruments use a zero fret. [1]

String slots in a nut without a zero fret must be cut to the proper depth to make string height correct. Strings that are too low at the nut can buzz against the frets, and too high throws off intonation of fretted notes.

Compensated nut on a Music Man Bongo 5 bass guitar AX Music Man Bongo 5 Head Front.jpg
Compensated nut on a Music Man Bongo 5 bass guitar

Some fretted instruments have a compensated nut. This type of nut provides better average theoretical intonation across the instrument, although this improved accuracy may be below the threshold of human ability to hear it [2] and may also be below the threshold of uncontrollable note-to-note intonation variability. [3] The principle given that strings are different thicknesses and have different tensions, the temperament of each fret is not 100% accurate for an equal temperament instrument. This is especially evident on the first few frets of an electric guitar. Many guitar players notice how 'open position' chords (Such as E, A, C, D and G) never sound in tune with each other. A compensated nut aims to correct this, by staggering the starting position of each string according to thickness. While not a complete solution such as a true temperament fretboard, there is a noticeable difference in tuning within chords. Many guitar companies, such as Music Man, and ESP include compensated nuts as standard on most of their instruments, and companies such as Earvana provide retrofittable types.

Another type is a locking nut. This nut—usually used in conjunction with a locking vibrato system such as a Floyd Rose or Kahler—clamps the strings against the nut. This improves tuning stability when using the vibrato bar. A drawback however, is that the locking nut must be loosened using an Allen wrench to tune outside the range of the fine tuners on the bridge (if present).

The erhu does not use a hard nut to define the vibrating length of the open string, but rather a qiān jin (千斤), a loop of string, or, less commonly, a metal hook.

Some guitars have a rolling nut. In this design, made popular by Fender, the strings sit on roller bearings instead of nut slots. The rollers let the string freely slide or roll through the nut. The roller nut helps keep the guitar in tune by preventing the strings from getting stuck in the nut. [4]

Keyboard instruments

The term "nut" also refers to bridges on certain keyboard instruments. On harpsichords, it designates the non-sounding bridge located near the tuning pins away from the player. On virginals, the term usually designates the bridge on the left side, away from the tuning pins. The term is not always applied consistently. [5]

Related Research Articles

Guitar Fretted string instrument

The guitar is a fretted musical instrument that typically has six strings. It is held flat against the player's body and played by strumming or plucking the strings with the dominant hand, while simultaneously pressing selected strings against frets with the fingers of the opposite hand. A plectrum or individual finger picks may also be used to strike the strings. The sound of the guitar is projected either acoustically, by means of a resonant chamber on the instrument, or amplified by an electronic pickup and an amplifier.

Fret Bar across the neck of stringed instruments

A fret is any of the thin strips of material, usually metal wire, inserted laterally at specific positions along the neck or fretboard of a stringed instrument. Frets usually extend across the full width of the neck. On some historical instruments and non-European instruments, frets are made of pieces of string tied around the neck.

The fingerboard is an important component of most stringed instruments. It is a thin, long strip of material, usually wood, that is laminated to the front of the neck of an instrument. The strings run over the fingerboard, between the nut and bridge. To play the instrument, a musician presses strings down to the fingerboard to change the vibrating length, changing the pitch. This is called stopping the strings. Depending on the instrument and the style of music, the musician may pluck, strum or bow one or more strings with the hand that is not fretting the notes. On some instruments, notes can be sounded by the fretting hand alone, such as with hammer ons, an electric guitar technique.

Appalachian dulcimer Fretted string instrument

The Appalachian dulcimer is a fretted string instrument of the zither family, typically with three or four strings, originally played in the Appalachian region of the United States. The body extends the length of the fingerboard, and its fretting is generally diatonic.

Fender Stratocaster Solid body electric guitar

The Fender Stratocaster, colloquially known as the Strat, is a model of electric guitar designed from 1952 into 1954 by Leo Fender, Bill Carson, George Fullerton and Freddie Tavares. The Fender Musical Instruments Corporation has continuously manufactured the Stratocaster since 1954. It is a double-cutaway guitar, with an extended top "horn" shape for balance. Along with the Gibson Les Paul, Gibson SG and Fender Telecaster, it is one of the most-often emulated electric guitar shapes. "Stratocaster" and "Strat" are trademark terms belonging to Fender. Guitars that duplicate the Stratocaster by other manufacturers are sometimes called S-Type or ST-type guitars.

Multi-scale fingerboard

A multi-scale fingerboard is an instrument fretboard which incorporates multiple scale lengths. The scale length is the vibrating length of the strings.

Russian guitar

The Russian guitar (sometimes referred to as a "Gypsy guitar") is an acoustic seven-string guitar that was developed in Russia toward the end of the 18th century: it shares most of its organological features with the Spanish guitar, although some historians insist on English guitar descent. It is known in Russian as the semistrunnaya gitara (семиструнная гитара), or affectionately as the semistrunka (семиструнка), which translates to "seven-stringer". These guitars are most commonly tuned to an open G chord as follows: D2 G2 B2 D3 G3 B3 D4. In classical literature, the lowest string (D) occasionally is tuned down to the C.

Qinqin Chinese String Instrument

The qinqin is a plucked Chinese lute. It was originally manufactured with a wooden body, a slender fretted neck, and three strings.photo 1[ photo 2] Its body can be round,photo hexagonal, or octagonal.[ photo] Often, only two strings were used, as in certain regional silk-and-bamboo ensembles.photo In its hexagonal form, it is also referred to as meihuaqin.

The truss rod is a component of a guitar or other stringed instrument that stabilizes the lengthwise forward curvature of the neck. Usually, it is a steel bar or rod that runs through the inside of the neck, beneath the fingerboard. Some are non-adjustable, but most modern truss rods have a nut at one or both ends that adjusts its tension. The first truss rod patent was applied for by Thaddeus McHugh, an employee of the Gibson company in 1921, though the idea of a "truss rod" appears in patents as early as 1908.

In music, intonation is the pitch accuracy of a musician or musical instrument. Intonation may be flat, sharp, or both, successively or simultaneously.

The action of a string instrument that is plucked, strummed, or bowed by hand is the distance between the fingerboard and the string. In keyboard instruments, the action is the mechanism that translates the motion of the keys into the creation of sound.

The neck is the part of certain string instruments that projects from the main body and is the base of the fingerboard, where the fingers are placed to stop the strings at different pitches. Guitars, banjos, ukuleles, lutes, the violin family, and the mandolin family are examples of instruments which have necks. Necks are also an integral part of certain woodwind instruments, like for instance the saxophone.

Tune-o-matic Electric guitar bridge

Tune-o-matic is the name of a fixed or floating bridge design for electric guitars. It was designed by Ted McCarty and introduced on the Gibson Super 400 guitar in 1953 and the Les Paul Custom the following year. In 1955, it was used on the Gibson Les Paul Gold Top. It was gradually accepted as a standard on almost all Gibson electric guitars, replacing the previous wrap-around bridge design, except on the budget series.

Zero fret

A zero fret is a fret placed at the headstock end of the neck of a banjo, guitar, mandolin, or bass guitar. It serves one of the functions of a nut: holding the strings the correct distance above the other frets on the instrument's fretboard. A separate nut is still required to establish the correct string spacing when a zero fret is used.

The Fender American Deluxe Series was a line of electric guitars and basses introduced by Fender in 1995 and discontinued in 2016. It was upgraded in 2004 and 2010 before being replaced by the American Elite series in 2016.

Sigma Guitars

Sigma Guitars is a guitar manufacturing brand originally released by C.F. Martin as a line of guitars at affordable prices to compete with the increasing number of imported guitars from Japan and elsewhere. The Sigma line was discontinued by Martin in 2007. The rights to the name was acquired by German company AMI Musical Instruments GmbH, which relaunched the brand with guitars being produced in China.

Bridge (instrument) Part of a stringed instrument

A bridge is a device that supports the strings on a stringed musical instrument and transmits the vibration of those strings to another structural component of the instrument—typically a soundboard, such as the top of a guitar or violin—which transfers the sound to the surrounding air. Depending on the instrument, the bridge may be made of carved wood, metal or other materials. The bridge supports the strings and holds them over the body of the instrument under tension.

The Yamaha Corporation is a multinational corporation and conglomerate based in Japan with a wide range of products and services, predominantly musical instruments, motorcycles, power sports equipment and electronics.

The Fender Telecaster, colloquially known as the Tele, is, an electric guitar produced by Fender. Together with its sister model the Esquire, it is the world's first mass-produced, commercially successful solid-body electric guitar. Its simple yet effective design and revolutionary sound broke ground and set trends in electric guitar manufacturing and popular music.

Martin D-28 Steel-string acoustic guitar

The Martin D-28 is a dreadnought-style acoustic guitar made by C. F. Martin & Company of Nazareth, Pennsylvania.

References

  1. "Parts of the Mandolin: The Nut".
  2. Mottola, RM (October 21, 2017). "Blind Listening Evaluation of Steel String Acoustic Guitar Compensation Strategies". Open Science Framework. doi:10.17605/OSF.IO/BQZF4.
  3. Mottola, RM (January 18, 2018). "Same-Fretted-Note Intonation Variability of the Steel String Acoustic Guitar". Open Science Framework. doi:10.17605/OSF.IO/45MTC.
  4. Guitar Nut Repair article on the Guitar Repair Bench Luthier Website
  5. Boyden, David D. (2001). "Nut (ii)". In Sadie, Stanley; Tyrrell, John (eds.). The New Grove Dictionary of Music and Musicians (2nd ed.). London: Macmillan.