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Thursday, March 15, 2012

THE SECRET PHYSICS OF ACOUSTIC GUITAR

The guitar has been around in one form or another for centuries, but the principals behind how it works can be in use in musical instruments ever since the first cave man pulled the string on his bow and noticed a sound. A guitar is simply an expansion of this idea to create a series of strings tied taught, and placed over a large hollow body to resonate the sounds. There are also various styles of guitars all which have different sounds, the two most common in acoustic models being the classical, or nylon string, and the folk, or steel string. Each has their own unique sound from the materials of the strings, and the composition of the bodies, as well as the air between them.
There are six strings on a guitar, each with an open notes of E2, A2, D3, G3, B3, and E4, each with corresponding frequencies of 82 Hz, 110 Hz, 147 Hz, 196 Hz, 247 Hz, 330 Hz (Fletcher 207). These frequencies represent the root tone of each string. What makes a guitar sound the way it does is the overlay of various frequencies on each string, or the overtones present. These patterns of overtones and their strengths is what makes a guitar sound different from say, a trombone. In addition, this exact patterns of overtones is impossible to repeat, and so every instrument will sound different, and in fact every note as subtly changes from the exact location on the string where it is plucked to the force, direction, and the age of the string both off and on the guitar all have small effects on the sound.
These strings then transfer heir sound into the body of the guitar where they set up an internal resonance in the air chamber made by the body, and cause the back plate and face plate to vibrate. These vibrations cause the air to compress and rarify making the compression waves in the air that our ear interperets as sound. For a more complex discussion of these parts, see how the guitars strings, body , or the space between them works.


Source: Ian Billington (www.ffden-2.phys.uaf.edu)

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Basic Knowledge of Guitar !!!

Cartoon GuitarGET KNOW GUITAR ?

The guitar is a plucked string instrument, usually played with fingers or a pick. The guitar consists of a body with a rigid neck to which the strings, generally six in number, are attached. Guitars are traditionally constructed of various woods and strung with animal gut or, more recently, with either nylon or steel strings. Some modern guitars are made of polycarbonate materials. Guitars are made and repaired by luthiers. There are two primary families of guitars: acoustic and electric.

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Acoustic guitars (and similar instruments) with hollow bodies have been in use for over a thousand years. There are three main types of modern acoustic guitar: the classical guitar(nylon-string guitar), the steel-string acoustic guitar, and the archtop guitar.

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Electric guitars, introduced in the 1930s, rely on an amplifier that can electronically manipulate tone. Early amplified guitars employed a hollow body, but a solid body was found more suitable.

Electric guitars have had a continuing profound influence on popular culture. Guitars are recognized as a primary instrument in genres such as blues, bluegrass, country, flamenco, jazz,jota, mariachi, reggae,rock, soul, and many forms of pop.

The Secret Physics of Acoustic Guitar !!!
The guitar has been around in one form or another for centuries, but the principals behind how it works can be in use in musical instruments ever since the first cave man pulled the string on his bow and noticed a sound. A guitar is simply an expansion of this idea to create a series of strings tied taught, and placed over a large hollow body to resonate the sounds. There are also.........read more
GIBSON L-5
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Photo Flipbook Slideshow MakerAccording to my study this amazing guitar first introduced was in 1923 and called as The First Masterpiece, sound lil fantastic isnt it??
As i know, the notable players for this cool guitar was Mother Maybelle Carter
Eddie Lang, Wes Montgomery, Scotty Moore, Tuck Andress, Lee Ritenour, Pat Martino, Jan Akkerman, John Mayer and also Eric Clapton.
QUICK FACTS
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