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Amplifiers

Amplifiers

An amplifier is used to increase the power of a signal.

 

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Kimberly Bear

Kimberly Bear

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Also, all amplifiers have limitations as to how much power they can put out. If you try to get more power out of an amplifier than it was designed to provide, the output will rapidly become very distorted because the amplifier will go into a condition commonly referred to as "clipping".

Article: Audio Power Amplifier Pow...
Source: Undertanding Power Amplif...

In the case of an audio amplifier we wish to take the weak signal from the source (CD player, tuner, tape deck, etc.) and make it strong enough to drive one or more loudspeakers.

Article: Audio Power Amplifier Pow...
Source: Undertanding Power Amplif...

Solid-state Amps - These guitar amps are recognized solid-state as they use transistors for their preamp and for power sections as an alternative of tubes. They are extremely trustworthy and hardly ever require repairs.

Article: Different types of Guitar...
Source: Different types of Guitar...

Hybrid Amps - Combining the best of each kind of guitar amp into one package, these amps use a real tube in combination with the solid state power part of their amps.

Article: Different types of Guitar...
Source: Different types of Guitar...

There are basically four types of guitar amplifiers: Solid-state (analog), Tube, Modeling (digital), and Hybrids.

Article: Different types of Guitar...
Source: Different types of Guitar...

Amplifiers are classified by different class ratings (A, AB, D, etc.) and categorized by the number of channels they provide (mono, 2-, 4- etc).

Article: Types of Amplifiers
Source: Knowledge Base

Leo Fender designed the first commercially available high-powered valve guitar amp in the 1950's and legend has it that he kept over-engineering it until Dick Dale couldn't break it.

Article: GM Arts - Guitar Amplifie...
Source: GM Arts

The first electric instrument amplifiers were not designed for use with electric guitars.

Article: History of the Amplifier
Source: History of the Amplifier

The first audio amplifier was made in 1906 by a man named Lee De Forest and came in the form of the triode vacuum tube.

Article: History of the Audio Ampl...
Source: eHow.com
Kimberly Bear

Kimberly Bear

39 Knowledge Cards 

This particular mechanism evolved from the Audion, which was developed by De Forest.

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An audio amplifier is a device used to increase the volume of sound with low power so that it can be used in a loudspeaker.

Article: History of the Audio Ampl...
Source: eHow.com
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