Wednesday, 23 January 2013

Amplifier

amplifier

fender mustang electric amplifier

 What?


The role of a guitar amplifier is to make the guitar signal audible.Amplifiers are used in both electric guitar and acoustic guitar connected with pickups.Actually there is no necessity for an amp in acoustic guitar.Electric guitar do not produce any sound like acoustic guitar unless it is connected with an amp.

How?



Vibrations in the strings are picked up by pick up coils/microphone and then it is amplified by the amp and make it audible through a speaker. 

In electric guitar musicians often seek out the distortion guitar amplifiers. Distortion is the result of a signal overloading an amplifier's circuitry.In most of the amplifiers guitarist can control distortion levels.In addition to distortion, guitarists often use feedback loops. if sound from the speaker is loud, it will cause the strings to vibrate.A feedback loop results when the guitarist hits a note, leading the amplifier to cause that string to vibrate indefinitely.

things to kept in mind while using amplifiers



  • When your amplifier is not in use make sure that the power cord is unplugged from the mains outlet, and that all leads are removed from the amplifier, including jack leads and foot switch leads.
  • Never modify the power cord without consulting your dealer or a qualified electrician and do not attempt to use it with a two pin outlet.
  • Ensure that the loudspeaker is connected before you switch the amplifier on.
  • Never try to operate the amplifier without the speaker connected. If you do, serious damage to the amplifier will result which will be expensive to repair.
  • Double check the connections you have made to your amplifier and make sure that you have connected the speaker to the correct outlet socket that matches the cabinet you are using.
  • Always operate the amplifier at the lowest level .
  • Before turning your amp on, be sure the volume knobs on your amps are turned down low.

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