2/27/2014

The Jazz Guitar Amp And Guitars

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 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.

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.

Jazz can be performed on of the world'd most popular guitars but the hollowbody or archtop is the one most associated with jazz. It has the classic "warm", jazzy tone that people recognise instantly. Leading manufacturers, such as Epiphone, Gibson, Stromberg and D'Angelico manufacture hollowbody guitars to very high quality standards and they are also very popular for rock and pop music. The hollow body has a spruce top and maple back. The sides are made of one piece of wood form into an arch giving the instrument its name "archtop."

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 amplifiers are usually favoured to produce a warm tone, and they also have a more musical overdrive sound compared to solid state amplifiers. However, tube amps are harder to maintain and valves need to be replaced. They are also heavier and more expensive than solid state amps.

One of the most popular amps that produce jazzy tones is the superb Roland JC120 Chorus. It was introduced in 1975 and has been used by legendary musicians, such as George Benson, Larry Coryell, Pat Matino and many others. This beautiful amp is the first to have special effects built into it, including delay, reverb and overdrive.

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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