An acoustic electric guitar is like an acoustic guitar, except it has many of the trappings of an electric guitar. This includes things such as transducers, pickups and a microphone. The first of these three is a device that helps one form of energy to another, including electric or acoustic energy. In terms of a guitar, this is used to help pick up the vibrations.
This is because, when using an these kinds of instrument the pickups are not capable enough without magnetic materials. Pickups are a form of transducer which picks up mechanical vibrations, specifically. This helps musicians create that distinctive sound. They also work with semi-acoustic electric guitars, which have a sufficient amount of magnetic material to work with the pickups.
Semi-acoustics are different from the non-semi guitars in that they are like electric guitars with sound boxes for amplification. Acoustic-electrics only have a few traits of the latter type for more varied sound. These sorts of instruments tend to have hollow bodies which account for extra echo. The pickups used in particular are known as piezoelectric pickups, which means that the charge is related to mechanical stress.
The charge here is also very linear and compressed, so a preamplifier is needed to amplify the signal before it reaches the main amplifier. This is so the sound gets further processing and is intensified to a satisfactory degree. It also serves to reduce the amount of noise output there is, which means that the sound emitted is much smoother and cleaner. The guitar amplifier is what makes the sound of the instrument loud.
This is much of the appeal of the electric version, and for this version, there is the advantage of having the sound of the acoustic with that much needed intensity. Tone controls are also used to further manipulate the sound that is produced. These instruments can be plugged in to a speaker system without microphones and are often known as plug-in guitars.
They are often used for music genres such as folk and classical. This is generally because they have the acoustic sound required, but a more amplification for large spaces or large venues. Both of these genres sound fairly traditional, so a more modern instrument would not work since it sound detract from the traditional sound.
However, with many musicians playing in front of many large audiences, the acoustic guitar does not, necessarily, have the intensity of sound needed for it to be heard. Not only this, but many artists perform outside, so the sound needs to override natural noises.
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