soft power on circuit

soft power on the circuit:

This is soft power on the circuit diagram for the amplifier. every amplifier needs this circuit for soft stater. this circuit switches on the amplifier in a soft mode. sometimes we can see some amplifier makes a noise when the amplifier is switched on. if we use this circuit then the amplifier can’t make a start sound. this circuit can help to switch on the amplifier in slow motion. input voltage is Ac 220. and output voltage also Ac 220. 

soft power on circuit

This is the diagram and component list

soft power on circuit

R1=47ohm/20watts. R2=1m/1watts. R3=220ohms/1watts. R4=10k. P1=330n/400volts. P2=330n/400volts. c1=2200uf/25volts. z1=12volts. D1+D2+D3+D4=1N4007. 

soft power on circuit

transistor circuit diagram of 2sa1943 and 2sc5200

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

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