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A solid-body musical instrument is a string instrument such as a guitar, bass or violin built without its normal sound box and relying on an electric pickup system to directly receive the vibrations of the strings. Solid-body instruments are preferred in situations where acoustic feedback may otherwise be a problem and are inherently both less expensive to build and more rugged than acoustic electric instruments. The most well-known solid body instruments are the electric guitar and electric bass. These were instrumental in creating new genres of music such as rock and heavy metal. Common woods used in the construction of solid body instruments are ash, alder, maple, mahogany, korina, spruce, rosewood, and ebony. The first two make up the majority of solid body electric guitars. Solid body instruments have some of the same features as acoustic string instruments. Like a typical string instrument they have a neck with tuners for the strings, a bridge and a fingerboard (or fretboard). The fretboard is a piece of wood placed on the top surface of the neck, extending from the head to the body. The strings run above the fingerboard. Some fingerboards have frets or bars which the strings are pressed against. This allows musicians to stop the string in the same place. Ebony, rosewood and maple are commonly used to make the fingerboard. Some electric guitar necks do not have a separate piece of wood for the fingerboard surface. All the solid bodies have variations in scale length or, the length of the strings from the nut to the bridge. The action, or the height of the strings from the fingerboard, is adjustable on solid body instruments. Most solid bodies have controls for volume and tone. Some have an electronic preamplifier with equalization for low, middle, and high frequencies. These are used to shape the sound along with the aid of the main amplifier. Amplifiers allow solid body instruments to be heard at high volumes when desired. ==Instruments== Solid-body instruments : * Some electric guitars * Most bass guitars * Electric upright bass * Some Electric ukuleles * Few electric mandolins * Most electric violins * Most electric sitars * Most electric violas * Electric cello Solid-body instruments do not include : * Semi-acoustic instruments * Electric pianos, even those with strings such as the electric grand piano * Pedal steel guitar Electric lap steel guitars without sounding boards are considered to be solid-body instruments by some authorities, and not by others. This has a major effect on some claims of historical priority, as they predate the first models of solid-body electric guitar, which may otherwise be claimed to be the first commercially successful solid-body instruments. While noting this, it will be assumed that electric lap steels without sounding boards are solid-body instruments for the purposes of this article. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Solid body」の詳細全文を読む スポンサード リンク
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