In electronics making small audio amplifier can help improve music sound for many uses. This is Simple Mini Audio Amplifier Circuit using IC TDA7052 which is shown in diagram below. It needs few parts and easy to build and is good for better sound in small projects. This circuit is very good for DIY and […]
Amplifier Circuits
Amplifier Speaker Turn-On Delay Circuit
As name say this Amplifier Speaker Turn-On Delay Circuit wait few seconds before connecting speaker to amplifier. When amplifier is first turn ON then big “thump” noise can happen. This delay stop that bad sound. Circuit Working: Parts List: Component Type Description Quantity Resistors 33k 1/4 watt 2 1k 1/4 watt 1 Capacitors Electrolytic 100μF […]
Tone Controller Circuit using IC TL072 Op-amp
Tone Controller Circuit using IC TL072 Op-amp changes treble and bass sound. It makes sound better and let us control treble and bass. Parts connect in order to cut or boost some sound frequencies. Circuit Working: Parts List: Category Description Quantity Resistors (All resistors are 1/4 watt unless specified) 1k 2 100k 2 10k 2 […]
Car Stereo Amplifier Circuit
Car Stereo Amplifier Circuit with IC TDA7297 is easy to build dual channel amplifier. It works with one 12V power and gives good power to 8 ohm speaker. With 17V it gives more power. Its made for radios and TVs but can be uses for many things. This circuit is good for audio system, midi […]
100 Watt Audio Amplifier Circuit using Transistors
This 100 Watt Audio Amplifier Circuit using Transistors make sound loud. It uses transistors to give 100 Watt power to speaker. Input is small audio signal in which circuit boost and drive big speaker. Circuit is good for music system, home theater and for party sound. Circuit Working: Parts List: Category Description Quantity Resistors (All […]
Simple 5V Audio Amplifier Circuit using IC LM4876
Bridge tied 5V audio amplifier using LM4876 IC. This Simple 5V Audio Amplifier Circuit using IC LM4876 make sound louder and is good for small speaker in portable device. Hard to make small amplifier with low power need. LM4876 chip give 1 watt output and is good for this job. It turn ON/OFF with simple […]





