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Saturday, October 10, 2009

Simple 10 Watt Audio Power Amplifier Based On Transistors

This is a simple design circuit for audio power amplifier. In this design circuit is use discrete component available on many electronic part stores. This circuit is based on transistor for operation the circuit. This is the figure of the circuit.

The transistor that is using in the circuit is 2N3055 and MJE2055. The MJE2055 is an NPN transistor, but the configuration with TIP42A make the whole combination of TIP42A and MJE2055 are seen as PNP transistor. This audio amplifier circuit is suitable for moderate power application in home sound system.

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