Tuesday, March 4, 2014

Jazz Guitar And The Jazz Guitar Amp

By Leticia Jensen


Jazz Guitars first emerged in the early 1930s because the musicians of the time found the need to increase the guitars volume within an ensemble in order that they are easier to hear. These guitars greatly influenced music's evolution during the 20th century. The first of these guitars were acoustic but by the 1940s the hollow body, solid body and semi-acoustic guitars were favoured by musicians along with a tube jazz guitar amp.

Probably the most recognisable type of guitars used for this type of music is the archtop. It has a large hollow sound box, magnetic pickups, floating bridge and violin style f shaped sound holes. These guitars are also known as hollow body guitars and have been available to purchase since the 1950s from famous manufacturers.

There are several styles used in this kind of music, such as blowing and comping. Blowing involves improvising over a jazzy chord progression with ornaments and jazzy phrases. Comping involves the use of extended chords underneath a tune's melody or another musicians soloing. Comping often uses walking bass lines. When a guitarist improvises they will make good use of scales, modes and arpeggios within the song's chord progression.

In reality, this type of music can be played successfully on any type of guitar whether acoustic, hollow body or solid body. However, the guitar of choice is often the hollow body archtop. The most popular archtop guitars are made by Epiphone, Gretch, D'Angelico and Stromberg. These guitars enjoyed a resurgence of interest in the 1990s among the jazz guitarists of the day, as well with popular musicians. The archtop is usually made from a solid piece of wood that has been carved into an arch, Spruce is usually the wood of choice for the top and maple for the back.

These guitars have an instantly recognisable "warm" tone that is arguably best achieved with the archtop with its hollow body and magnetic pickups. However, the guitar's amp also plays an important role in creating a beautiful jazzy tone. Most jazz guitarists swear by tube amps to get that classic jazzy tone.

Tube amps may have have a great tone and a far more musical overdriven sound compared to solid state amps, but they are very heavy and they are difficult to maintain. They also suffer from more noise than solid state amps and are more expensive.

One of the most popular amps for this style of music is the Roland J-120 Chorus Amp. Released in 1975 it was the first amp that came compete with effects built into into it, such as reverb, delay and distortion. George Benson, Larry Coryell and Pat Martino used the Roland J-20 Chorus Amp during live performances, making the amp a classic.

There are also several excellent amps that are manufactured by Fender. These are the Fender Jazzmaster Ultralight Speaker Cabinet combined with Amp Head, Fender Hot Rod Deluxe, Fender King and Fender Blues JR. All of these are a popular jazz guitar amp of choice for those looking for that classic jazzy tone. There are several other excellent amps on the market and it is possible to get the jazzy tone with digital modelling software or hardware and a standard amp, although purists tend to prefer the classic tube amps.




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