Pickup winding can be related to something of a black art. No matter the manufacturer does to the winding, one pickup will always sound different from the other pickup. Even with the consistency of production methods, there are many factors as inconsistency in the raw materials used by the manufacturer.Guitars are also full of wild variables. They're made from trees and trees vary. So, doing wood-drying conditions, shaping techniques, manufacturing and the design of the metal and plastic parts that are attached to the wood.
No other instrument than the electric guitar defines the rebelliousness of the modern age. Nobody can forget Jimi Hendrix, Nirvana, Black Sabbath, Led Zeppelin, some of the greatest artists of rock? But playing an electric guitar is not only about attitude or dexterity. It's also about the science of electromagnetism. In this article we are going to take a look at how these crazy instruments turn electricity into sound.
An acoustic guitar makes sound entirely by vibration. When a string is plucked, it vibrates back and forth, transmitting sound energy into the wooden guitar body which is hollow, making it resonate and amplifying the sound, which makes it louder. With respect to acoustic guitars, the body matters the most than anything else as it's completely made out of wood. I am pretty sure you've seen many electric guitars. They are also made out of wood but the materials used while constructing an electric is not so critical. You'll also have noticed that most of the electric guitars have solid bodies that are thinner than those of acoustic guitars. As George Beauchamp (pioneer of the modern electric guitar) said in his patent back in the 1930s: "The body may be varied considerably in size, shape and construction, and may be constructed of various materials without departing from the spirit of the invention"; his original design suggested the body could be made from "a simple integral casting of metal such as aluminum."
In the early 1930s, George Beauchamp applied for a patent on an odd looking guitar-like instrument that included a "pickup." (The patent uses the variations "pickup," "pick–up" and "pick up"). His invention was the Rickenbacker "Frying Pan," which was the first guitar pickup every designed. Electric guitars are powered by electromagnetism and electromagnetic induction to be precise. This may not sound familiar, but you've probably used it if you've ever gone for a bicycle ride at night with a dynamo-powered light. A dynamo is a pretty simple electricity generator that has two parts: a rotating coil of wire that spins around inside a hollow and a curved magnet. As the coil spins, it cuts through the magnetic field. This makes electricity flow through the coil. Two electrical connections from the coil are wired up to a lamp and the electricity that is generated makes the lamp light up. The similar science is used while constructing an electric guitar. When a string is plucked, it moves back and forth through the magnetic field. The moving metal string cuts through the magnetic field and it causes a small electric current that flows through the wire pickup coils. The pickups are hooked up to an electrical circuit and amplifier, which boosts the small electric current and sends it on to a loudspeaker, making the familiar electric guitar sound. Generally, the amplifier and loudspeaker are built into a single unit called an "amp."
Source : articlesbase.com
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