High control circuit diagram

High control circuit diagram:

This is an audio High control circuit diagram. this circuit can control our amplifier sound. this circuit is used as a pre-amplifier. high is for the tweeter and also call tone. here used 4558 ic. needs dual voltage for this pre-amplifier.12-0-12 voltage. positive, negative, and ground voltage. 

High control circuit diagram

Audio comes to input and out from the output. 

How to make dc voltage:

This is a circuit diagram for making voltage. this circuit is for dual volts. here used a full wave transformer. this transformer is ac 35-0-35 voltage. this ac voltage makes dc using 4 diodes and 2 capacitors. usually, this circuit needs an amplifier—positive- negative, and ground. when we make dc then the voltage increase. ac 35-0-35 to dc 45-0-45 voltage.

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