Amplifier circuit diagram:

This is an amplifier circuit diagram using C5198 and A1941. This transistor can make 100 watts of output. We can use a maximum 50-0-50 voltage in this circuit. Here we are using 35-0-35 voltage and 3 amperes. It’s a mono audio board. For stereo, we have to use a dual board. We can also use other transistors. positive, negative, and ground voltage. must use a strong voltage and amperes to get a good output watts.

This is the Speaker protection circuit diagram. It can protect our Speaker from burns. If the amplifier has any problem, then this circuit can save our soundbox. Normally, when the transistor shorts, the voltage appears on the speaker output line, and then this circuit protects it. This circuit should not allow any direct voltage to be sent to the speaker. This circuit is very important for protecting the speaker.