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Today our life can be incomplete without music, and music systems, because today we have become so much addicted to variety of such devices and systems that are specially crafted for producing the state of the art audio output with hi-fi crystal clear and enhanced music effects.
The articles listed below include a selection of some good audio based circuit diagrams and explanations which can be studied by all enthusiasts for creating their own Hi-Fi music systems at home.
In this article we elaborately discuss a simple to built yet awesome 1000 watt amplifier circuit, which could be easily upgraded to achieve upto 2000 watt output. It uses relatively fewer components and could be quickly set up for getting a massive 1000 watt power output on any 4 ohm, 1kva loudspeaker. This circuit was … Read more1000 watt to 2000 watt Power Amplifier Circuit
A pistol sound generator circuit presented here can be used as button operated starting sound during racing events or marathons, or simply to deter wild animals and thieves in remote areas. The concept could be also effectively applied in festivals such as Diwali for creating loud artificial bursting cracker sound (noise pollution is bad for … Read moreLoud Pistol Sound Simulator Circuit
In this article we will learn how to build a simple 3 watt amplifier circuit which can be powered directly from a computer 5V USB port for driving an 8 ohm 3 watt speaker. You can build a couple of such circuits and use them for creating a stereo output into a pair of 8 … Read moreUSB 5V Audio Amplifier for PC Speakers
An impressive 120 watt amplifier circuit can be built by cascading a couple of TDA 2030 IC in a bridged tied load (BTL) configuration and through a few current boosting transistors. Advantage of a BTL Amplifier Topology The main objective of a BTL configuration is to enable a two way operation of the load which … Read more120 Watt Amplifier Circuit using TDA 2030 IC
In this post we learn how to make a simple 150 watt power amplifier circuit using a typical OCL design which ensures cheap layout and use of minimum components, with high reliability. Introduction Referring to the figure a perfectly symmetrical OCL based amplifier can be seen , using discrete components suitable for all electronic enthusiasts … Read moreSimple 150 Watt Amplifier Circuit using Transistors
The post explains the functioning of the IC ISD1820 which is a single chip audio message record/playback chip featuring a 20 second audio recording and storing facility in its internal memory and playing it back through a small 8 ohm speaker whenever required. Introduction The IC ISD1820 is a device which features a single chip … Read moreAudio Record/Playback Circuit using IC ISD1820