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Amplifier Classification

Class A Amplifier Class B Amplifier Class AB Amplifier Class C Amplifier An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals, such as the signal from a radio receiver to a level that is high enough for loudspeakers or headphones. Amplifier is an electronic device that amplifies ie increases/boost the voltage, current, or signal. Amplifiers are used in wireless communications and broadcasting, and in audio equipment of all kinds where the strength of voltage or signal need to be increases after certain point of transmission. Voltage and signal becomes weak after travelling certain distances due to resistances.