Electronics Help Care Amplifier circuit diagram

Bass tone circuit for amplifier This is the bass tone circuit board for the amplifier. This circuit has four volumes: volume, low, mid, and high. This diagram runs with 12 voltages. It’s a mono diagram. For stereo, we have to use the dual board. it needs a single voltage positive …

Subwoofer circuit diagram lowpass This is the Subwoofer circuit diagram lowpass for the bass amplifier. this circuit is a pre-amplifier for a subwoofer amplifier. this board makes only bass. we use this board for 2.1 or 5.1 amplifiers. we need dual voltage to run this board. 12-0-12 voltage is needed …

Amplifier circuit 1000 watts This is an amplifier circuit for 1000 watts using 2sc200 and 2sa1943. This diagram can make 1200 watts. We can use 35-0-35 voltage to 80-0-80 voltage and 15 amperes. We know that Voltage X amperes = Watts, so we are using 60-0-60 voltage and 15 amperes. …

Amplifier circuit 200 watts This is an amplifier circuit 200 watts. this diagram can make 200 watts. here use 2 pair transistors. 2sc5200 and 2sa1943 this pair transistor can make 100 watts. we use here 2 pair. and we can use 25-0-25 voltage to 60-0-60 voltage and 5 amperes in …

DIY SMPS power supply This is the DIY SMPS power supply for DC voltage. we can make the Switch mode power supply like this system. this system is so easy to make. we can also control the voltage using the KLY variable. this circuit needs one old computer power supply …

Transistor circuit for amplifier This is the transistor circuit for amplifier using driver circuit. we can use transistors as we want. like one pair to 100 pair. the output watts will depend on the voltage and amperes. transistors can’t increase the output watts. transistor just makes the sound lower to …

Amplifier circuit using 2sc5200 and 2sa1943 This is an amplifier circuit using 2sc5200 and 2sa1943. It’s a 150-watt audio diagram. In this diagram, we can use 25-0-25 to 45-0-45 voltage and 3 amperes. If we use 35-0-35 voltage and 3 amperes, we can get 35X3=105 watts. Alternatively, if we use …

Driver circuit for transistor amplifier This is the driver circuit for transistor amplifier. this circuit can be used with PNP and NPN transistors. we can use 2sc5200 and 2sa1943. we can use 30-0-30 voltage to 80-0-80 voltage.  The circuit diagram is here 2sc5200 Polarity is NPN. Max Collector Power Dissipation is …

Amplifier diagram using tda2030 This is an amplifier diagram using tda2030. it’s a 15w+15w stereo circuit board. we can use 10-0-10 to 12-0-12 ac voltage. We can also use a 15-0-15 AC voltage and then change the TDA2030 to TDA2050.  circuit diagram This is the  Speaker protection circuit diagram. It can protect our …

how to repair amplifier circuit it’s very easy to repair the transistor amplifier circuit. every board has a driver section and main transistors. when the board has a problem then we have to repair it. for this, we have to check the main transistor first. then the driver transistors. here …