Easy preamplifier circuit diagram

Easy preamplifier circuit diagram:

This is the easy preamplifier circuit diagram. We use this circuit to the amplifier to increase the sound. here used one transistor. NPN transistor. 2sc1815. it’s the mono circuit. if we need stereo then we have to use dual circuit. we can use 6 voltage to 12 voltage 2 amperes.

transistor circuit diagram of 2sa1943 and 2sc5200

Build a Transformer or construct the transformer. Home Theater Circuit Diagram 5.1

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