Tag Archives: audio amplifier

This is a mini audio amplifier circuit diagram using the TDA2030 IC. This circuit can make 30 watts of output. It’s a bridge-mode audio circuit diagram. Here used 2 TDA2030 IC. this circuit runs using a minimum 9-0-9 voltage to 18-0-18 voltage. need dual voltage positive, negative, and ground voltage.  …

This is an audio filter circuit diagram for an amplifier. This circuit reduces the noise from audio. Every amplifier needs this type of circuit. This circuit is for a stereo audio amplifier. This is not a speaker protection circuit diagram board. It’s only an audio filter circuit diagram.  . Here, …

This is an Audio amplifier circuit diagram using transistors. Here, use 3 pairs of transistors 2sc5200 and 2sa1943. This circuit can make 500 watts of output. This circuit needs dual voltage positive, negative, and ground voltage. Here in this circuit, run with a maximum 50-0-50 voltage and 10 amperes. We …

Amplifier Diagram circuit using STK4231: This is the Amplifier Diagram circuit using STK4231. This amplifier makes 100watts+100watts audio output. STK4231+STK4211+STK4221 all IC diagrams are the same. Only the output watts are different. like stk 4141 series. Here needs dual voltage. We can use 15-0-15 voltage to 45-0-45 voltage depend on …

Amplifier circuit using STK4152: This is an amplifier circuit using stk4152 IC. This board can make 25w+25w. We can use  20-0-20 voltage to 35-0-35 voltage. It’s a stereo audio amplifier circuit board. We can use stk4141 to stk4191 using this same diagram. We know stk board can make a good …

This is the Stereo audio amplifier circuit. This circuit can make 30+30 watts using 12 volts. We can also use a 12-volt battery. Stereo audio circuit diagram with bass tone control.  TDA7297  Subwoofer amplifier circuit board: This is a subwoofer amplifier circuit board. This diagram makes only bass for the …

2000 Watts Power Amplifier: This is a 2000 Watts Power Amplifier that uses Mosfet. it’s a mono mosfet circuit diagram. we can use 90-0-90 voltage and 20 amperes. 12 MOSFET are used to make 2000 watts. for stereo needs dual circuit.  The circuit diagram We have another post for you. …

Amplifier circuit using stk4141: This is an amplifier circuit using stk . in this diagram, we can use stk4141 to stk4191. this diagram can make 50+50 watts using 4191. we can use 25-0-25 voltage to 50-0-50 voltage according to the Ic, here, we need dual voltage: positive ground and negative …

Amplifier circuit board using 2sc5200: This is an Amplifier circuit board using 2sc5200. here is only the NPN transistor. 2sc5200 transistor. this is a mono audio circuit diagram. this circuit can make 100 watts. we can use 35-0-35 voltage. if we want a stereo diagram, we have to use 2 …

Class D amplifier circuit diagram: This is a class d amplifier circuit diagram. this circuit can make 500 watts. this is a class D-type circuit diagram. here,  used mosfet. we can use here a maximum 70-0-70 voltage and a lower 25-0-25 voltage. It needs dual voltage. positive negative and ground …