To properly understand the principles of how a guitar works, it is essential to understand the functions of sound waves and electromagnets. They play a key role in the function of the guitar, both in the acoustic and the electric. .
Sound Waves .
For us to hear, we need ears with an important piece, the eardrum. We hear sound because when a sound is created, there is a change in air pressure. Because of this change in pressure, waves are produced, flying all over the place. On the guitar, when the string vibrates, the change in air pressure causes the air particles to move around. There are air particles all around us, so when the sound wave crashes into these particles, they all collide until they reach our eardrums. When the air particles crash into our eardrum, they will hit against all the other components of the ear and the sound will enter our brain. .
Electromagnets .
Electromagnets need a source of energy (a battery, power outlet, etc.) In the electric guitar (because in the acoustic, electromagnets are inexistent) the power source comes from the amplifier, which gets its electrical current from a power outlet. Together, the electrical flow is made by the constant flow of electrons (e-). When the plug from the amp is attached to a source of energy, the electrons will flow to and through the wire. Basically, all an electromagnet does is collect electrons and sends them into a constant flow. What the electromagnets have to do with the guitar will be explained in detail at the Electric Guitar page. .
The Differences Between Acoustic And Electric Guitars .
Both electric guitars and acoustic guitars are great instruments that are the most commonly used in music. They have many similarities. Both have six strings, keys to tune the strings, frets and a long neck. But the big difference is in the name. An electric guitar uses electricity to function properly. The special variety of sounds it makes would be impossible if not for the electrical components in it.
