Speaker delay circuit diagram

Speaker delay circuit diagram:

This is a Speaker delay circuit diagram. we are using this circuit to take a short time to switch the speaker output line. some of the amplifier makes a sound when we switch on the amplifier. for this, we can use this type of board to protect against this problem. this circuit never protects the speaker short circuit. it’s only a switch. 

here used one transistor c945. R1=10k and R2=2k2. C1+C2=220uf 16v. D1=4007. Z1=4148 and one 12-voltage relay. 

transistor circuit diagram of 2sa1943 and 2sc5200

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