How to make an easy amplifier?

How to make an easy amplifier:

This is the theory of making an easy amplifier using a transistor. We usually make this type of circuit as a pre-amp for our sound system. every bass tone circuit got this type of pre-amplifier. And also we can use this type of circuit for the headphone. this circuit can run 2 voltage to 12 voltage. 

Here used only a transistor. BC548 is an NPN transistor. and we used 4 pieces of 100 ohms resistors.  we can get a maximum of 3 watts from this type of circuit. this circuit is for the learning people. this is low to make the sound.

On our website, you can get many essential circuit diagrams. not only sound but also inverter. voltage controller. transistor. STK circuit. Class-Dcircuit. bass circuit/ low pass filter
here has many circuit diagrams on our website. Electronicshelpcare

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

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