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Audio and Amplifier Projects

DIY 100 Watt MOSFET Amplifier Circuit with PCB

Last Updated on November 26, 2023 by Swagatam 154 Comments

1002Bwatt2Bmosfet2Bamplifier2Bcircuit

MOSFET based amplifiers as we all know are outstanding with their sound qualities and they can easily beat the performance of other counterparts based on power transistors or linear ICs. Why use MOSFETs in Amplifiers Amplifiers based on mosfets are not always easy to design or make. Moreover after assembling a prototype, testing to perfection […]

Filed Under: Audio and Amplifier Projects

How to Make a Telephone Amplifier Circuit

Last Updated on May 5, 2022 by Swagatam 8 Comments

telephoneamplifiercircuitusingICCA3020

The simple telephone ring tone amplifier circuit I have explained in this article saves the inconvenience of picking the telephone handset while speaking over a call. This circuit also particularly becomes useful when there’s a need of the conversation to become audible to a number of people or a group of people. Introduction When the […]

Filed Under: Audio and Amplifier Projects

How to Make Active Loudspeaker Circuit

Last Updated on August 20, 2021 by Swagatam 21 Comments

In this post I have explained to make an active loudspeaker system circuit for enabling self sustained amplification of any music source that may be directly plugged in to the active speaker box. Introduction With the advent of ultra modern cell phones, now it has become possible to store huge music data and listen to […]

Filed Under: Audio and Amplifier Projects

How to Make an Outstanding Home Theater System

Last Updated on May 30, 2019 by Swagatam 101 Comments

home theater1 1

The article discussed here provides a simple, cheap home theater system circuit that may be built at home and used for the desired purpose. Introduction The results from this circuit design are outstandingly rich and have the capabilities comparable with the costly hi-end types available in the market. Home theater systems are quite common nowadays […]

Filed Under: Audio and Amplifier Projects

Hi-Fi 100 Watt Amplifier Circuit Using 2N3055 Transistors – Mini Crescendo

Last Updated on December 22, 2023 by Swagatam 205 Comments

powe supply

Video Demonstration of the Crescendo Amplifier The mini crescendo 100 watt transistorized amplifier circuit explained here was built and tested by me and am extremely pleased by its performance and also its ruggedness as far as maintenance and handling is concerned. Amplifier Class Basically, the entire configuration is a symmetrical class A amplifier incorporating an […]

Filed Under: Audio and Amplifier Projects

Make this Wireless Speaker Circuit

Last Updated on January 8, 2024 by Swagatam 36 Comments

Transmitter 2

In this article I have explained a very simple circuit of a wireless speaker system which can be used for playing hi quality music wirelessly from your TV set, DVD player, Ipod, cell phone or from any music system. The speaker thus can be placed in any corner of the house within a radial distance […]

Filed Under: Audio and Amplifier Projects

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