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In some instances, a used electric guitar may be fitted with a strange bar hanging from the bridge. The name for this bar is a tremolo, but it may also be referred to as a 'whammy' bar, a vibrato arm, or a wang bar.

Actually, you will find many electric guitars with the tremelo bar feature at any Guitar Center store. While new models are popular, vintage used electric guitars with intact original equipment are the most valuable.

The device was developed and introduced in the late 1940's and 1950's and gave guitar players an interesting playing option. The bar or arm is still produced on certain models of electric guitars today. The original concept of the tremelo bar on a guitar was to create a vibrato effect.

Vibrato is the correct term for the pitch variation used by guitar players, but tremolo (actually a variance in volume), was introduced in amplification technology first and thus guitar players continue to use the misnomer tremolo for pitch variation.

Two styles of this device are the most popular and both devices work very simply. The strings are fastened to the guitar via the tailpiece. The strings are run across the top of the bridge. Within this bridge and tailpiece combination are springs that allow the bridge to move or "float". One style uses a rotating tube in conjunction with the springs. The other style operates the springs and bridge synchronously.

With the attached arm in motion and pressed either up or down, the device can alter the pitch of the notes being played on the guitar. As the springs guide the bridge up or down, this tightens or loosens the tension on the string. Thus, the vibrato effect is perfectly achieved when repeated slowly or rapidly.

The first musicians to use the tremelo bar include Leo Fender and Lonnie Mack, whose song "Wham!" might be responsible for the term "whammy" bar. Later users of this device include Jimi Hendrix and Jeff Beck. The tremelo bar has been used in new and innovative ways more recently by Steve Vai and Eddie Van Halen.

I encourage you to go to a guitar center and try a used electric guitar with a tremelo bar. They are fun to play and you'll be quite surprised with the many variations of sounds that you can produce. Nothing beats tremelo bars on used electric guitars!

Browse hundreds of used electric guitars at The-Guitar-Center.net. Featuring the net's widest selection of electric guitars from names like Fender, Gibson, Gretch, Martin, Ibanez, and many more! [This article may be freely reprinted provided all links are kept in place.]