
Amplifiers are the device that the sound of the guitar comes out of, this piece of equipment is essential to play electric guitar and is a necessity to most types of music. A guitar amplifier (or amp) is an electronic device that strengthens the weak electrical signal from a pickup on an electric guitar, or bass guitar so that it can produce sound through one or more loudspeakers, which are typically housed in a cabinet mad of wood. A guitar amplifier may be a standalone wood or metal cabinet that contains only the power amplifier circuits, requiring the use of a separate speaker cabinet–or it may be a "combo" amplifier, which contains both the amplifier and one or more speakers in a wooden cabinet. There is a wide range of sizes and power ratings for guitar amplifiers, from small, lightweight "practice amplifiers" with a single 6" speaker to heavy combo amps with four 10” or four 12" speakers and a powerful amplifier, which are loud enough to use in...