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Simple Hum Filter Circuit for Amplifiers

Last Updated on May 5, 2022 by Swagatam Leave a Comment

The following post discusses a simple hum filter circuit which can be installed between an audio input source and a power amplifier, so that any possible mains hum frequency within […]

Filed Under: Audio and Amplifier Projects

Types of Power Amplifier Classes Explained in Simple Words

Last Updated on January 5, 2023 by Swagatam Leave a Comment

In this post we are going to explore power amplifiers and their classification according to their output electrical characters and application. We will be exploring amplifier classes: A, B, AB, […]



Filed Under: Audio and Amplifier Projects

Build this Subwoofer Amplifier Circuit [Mini Ground-Shaker]

Last Updated on November 17, 2022 by Swagatam 13 Comments

A subwoofer amplifier is basically a power amplifier designed to filter and extract the low frequency content from the input audio signal and amplify it to the desired levels. This […]

Filed Under: Audio and Amplifier Projects

Dummy Load Circuit for Testing Power Supplies and Amplifiers

Last Updated on May 7, 2022 by Swagatam 16 Comments

The following article explains two straightforward dummy load circuits: the first one can be used for testing high current power supplies, and the second design can be used for testing […]

Filed Under: Power Supply Circuits

Simple 10 Watt Amplifier Circuits using Transistors

Last Updated on January 5, 2023 by Swagatam 18 Comments

The post comprehensively explains 3 easy to build 10 watt power amplifier circuits, which can be built using discrete parts, such as resistors, transistors, and MOSFETs. The MOSFETs used in […]

Filed Under: Audio and Amplifier Projects

60 Watt Amplifier Circuit

Last Updated on January 5, 2023 by Swagatam 6 Comments

The circuit of a 60 watt power amplifier is shown in the below figure. It’s design layout is simple and very conventional. It has a completely symmetrical pattern which has […]

Filed Under: Audio and Amplifier Projects



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