Subwoofer Amplifier Circuit using IC TDA7294 is to boost low bass sound for subwoofer speaker, also the IC is an audio amplifier chip. TDA7294 is one-chip IC in multiwatt 15 package and it is good for powered speakers, home stereo and big TVs., also it work as class AB amplifier for Hi-Fi sound. Circuit Working: […]
Amplifier Circuits
Simple Single Transistor Audio Amplifier Circuit
Name say it, this is very Simple Single Transistor Audio Amplifier Circuit, which makes sound signal bigger means amplify. Furthermore, it is god to learn how transistor work and how amplification happen, also if we want to build easy audio amplifier? then no need of many parts? this one transistor circuit is good choice! It […]
40 Watt Audio Amplifier Circuit
40 Watt Audio Amplifier Circuit makes small sound signal big, so sound come out loud from speaker and we can hear music or audio more loud with this. The main component of this easy circuit is the TDA2040 IC and this IC comes in a Pentawatt package and operates as a Class AB audio amplifier.” […]
Simple 5W Audio Power Amplifier Circuit
In this post, the Simple 5W Audio Power Amplifier Circuit uses the IC LM384, a strong amplifier chip in basic electronics; also the chip provides a fixed voltage gain of 34 dB, which helps keep the circuit cost low. Mic can connect easy to ground that make chip special and if chip get too hot […]
Simple MIC Amplifier Circuit using IC LM358
Microphones detect sound, but they produce a very weak signal; then this Simple MIC Amplifier Circuit using IC LM358 make signal strong. Also, LM358 chip is cheap, easy and can work with two mic signals so people use it a lot. Audio amplifiers take weak sound signals from mic or music player and make them […]
Hearing Aid Circuit using 1.5V Battery
Hearing Aid Circuit using 1.5V Battery is small sound booster, which helps people with hearing loss and to hear better. Furthermore, it picks the weak sound and makes it louder in earphone, also this circuit works with one 1.5V battery. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt unless specified) […]