This post shows you how to create a Stereo Amplifier using four NPN & PNP Transistors. Of these, Two 2sc5200 NPN & Two 2sa1943 PNP Transistors are used, two Transistors act as one channel and the other two Transistor act as another Channel. Its operating voltage is 24 to 32 volts. In this circuit 100watts output can be obtained by using 2SC5200 Transistor.
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