Sunday, March 9, 2014

The Jazz Guitar Amp And Guitar

By Leticia Jensen


Jazz guitars were conceived in the early 1930s due to the need to use amplification in order to increase the volume of conventional acoustic guitars in a live setting so it can be heard more clearly. Very few instruments have had a greater influence on the evolution of music since the start of the 20th century. The earliest forms of jazz guitars were acoustic but by the 1940s, musicians were playing with either a hollow body acoustic or electric guitars along with a jazz guitar amp.

Probably the most recognisable guitars used in this type of music is the archtop or hollowbody electric, It is instantly recognisable due to its large hollow body, f shaped sound holes like a violin, floating bridge and magnetic pickups. This type of guitar have been mass produced since the 1950s by leading guitar manufacturers.

Jazz guitar involved several playing styles, the most common being blowing, comping and soloing. Blowing refers to improvising over the top of a chord progression with phrases and ornaments. Comping is the playing of extended chords while another musician solos or plays a melody. Walking basslines often have walking basslines and improvisation will make use of modes, scales and arpeggios.

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.

The beautifully jazzy tone is best produced with a hollowbody archtop, due to its magnetic pickups and hollow body. Although, the desired "warm tone" from these guitars is best combined with a good amplifier that has been designed specifically for this kind of music.

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.

The Roland JC-120 Chorus is one of the more popular amps. It was first released in 1975 and was one the first that came with effects built in. Many of the great guitarists used the Roland, including George Benson, Pat Martino, Larry Coryell and many other legends in this type of music.

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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