How to make pre-amplifier

How to make a pre-amplifier:

This is the pre-amplifier circuit diagram for an amplifier. it’s a mono-circuit diagram. every amplifier used this type of diagram. normally we can see the 4558 ic base circuit diagram. but this is one of the easy pre-amplifier circuit diagrams.

This circuit run with 12 voltage

transistor circuit diagram of 2sa1943 and 2sc5200

Build a Transformer or construct the transformer. home theater circuit diagram 5.1

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