How to make an amplifier:
This is an amplifier using STA 540. this amplifier has 4 inputs and 4 outputs. This type of circuit is used in cars. but if we want to use it at home or other also we can use it. this circuit sound is so fine. it’s run from 8 voltage to 22 voltage. per channel are diffeerent.
Using 12 voltage it can make 4+4 watts and 8 watts. using 18 voltage it can make 9+9 watts and 18 watts. using 22 voltage it can make 17+17 watts and 34 watts.
we can connect directly with the speaker.
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