Tag Archives: amplifier circuit diagram

Subwoofer amplifier PCB layout: This is the Subwoofer amplifier PCB layout using a lowpass filter. This circuit is only an amplifier for a subwoofer speaker. to make bass, you need a lowpass filter. Without the lowpass filter, it’s just a simple amplifier. Here in this post, we can get a …

Audio amplifier circuit using TDA7294: This is an audio amplifier circuit using TDA7294 and 2sc5200, 2sa1943. This diagram can make 200 watts. We can use 15-0-15 voltage to 30-0-30 voltage and 4 amperes. It’s a mono diagram. A dual board is needed for stereo.  The diagram of this circuit is …

Amplifier circuit diagram using TPA3100D2: This is an amplifier circuit diagram using TPA3100D2. this diagram can make 40 watts. in stereo mode 20watts + 20watts. here we can use a minimum of 10 voltage to a maximum of 26 voltage.  This is the Speaker protection circuit diagram. It can protect our Speaker from …

Amplifier circuit diagram using 34 STK: This is an Amplifier circuit diagram using 34 STK. Here, we can use 34 STK ICs. This circuit is the same for all these ICs. It’s stereo audio. We can use the voltage according to the IC and get the output power according to …

Audio amplifier 2X300W using LM4702: This is an audio amplifier 2X300W using an LM4702 IC. The IC is also used with two pair transistors to make 300+300-watt outputs. we can use 50-0-50 voltage to 85-0-85 voltage depending on the IC. we can see the voltage listed in the diagram. here …

Surround amplifier using HA13156: This is a Surround amplifier using HA13156. this amplifier is tweetable for car sound. We can get 38 Watts per channel and 4 channel outputs. Every channel has 38 Watts, 4 inputs, and 4 outputs. This circuit diagram can run from 9 Volts to 18 volts.  …

Class D Power Amplifier Module 500w: This is a Class D Power Amplifier Module 500w. This circuit can make 500 watts maximum, and it can use a maximum of 200 watts. this circuit needs two voltages. one for driver voltage and another for amplifier voltage. 20 voltage is required in …

50 Watts amplifier using CXD9646Z This is a 50 Watts amplifier using CXD9646Z. We can use 12 to 32 volts and get 50 watts. it’s a mono-circuit diagram. We have to use dual circuits to make the stereo. we can use this amplifier in car audio.  This IC made by …

400watts amplifier circuit RSN308M24 This is a 400watts amplifier circuit RSN308M24. this circuit can make a maximum of 200wattts +200watts audio output. it’s a stereo audio diagram. this module needs dual voltage positive negative and high low voltage. 50-25-0-25-50 voltage and 5 amperes.  This IC made by Panasonic. This is …

4 Channel audio amplifier circuit This is a 4-channel audio amplifier circuit diagram. It has 4 audio inputs and 4 audio outputs. The output watts per channel are 50 watts. This diagram needs dual power: positive low voltage, positive high voltage, negative low voltage, negative high voltage, and ground voltage. …