The proposed slow-start power supply circuit is specially designed for power amplifiers to ensure that the loudspeaker connected with the amplifier do not generate the loud and unwanted “thump” sound […]
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100 to 160 watt Power Amplifier Circuit using a Single IC OPA541
For anyone who is searching for an audio amplifier with massive output power in the order of 100 watt to 200 watts, using an absolute minimum parts count, this particular […]
Mini Audio Amplifier Circuits
In this article we are discussing a handful of mini audio amplifier circuit which can be built quickly for amplifying very tiny input signals into audible speaker outputs. 1) 1 […]
How to Design MOSFET Power Amplifier Circuits – Parameters Explained
In this post we discuss various parameters that must be considered while designing a MOSFET power amplifier circuit. We also analyze the difference between bipolar junction transistors (BJT) and MOSFET […]
Op Amp Preamplifier Circuits – For MICs, Guitars, Pick-ups, Buffers
In this post we will learn a variety of preamplifier circuits, and there should be an appropriate layout here for almost any standard audio preamplifier application. As the name suggests […]
30 Watt Amplifier Circuit using Transistors
The three watt amplifier circuit discussed in the earlier post could be effectively upgraded into a 30 to 40 watt transistorized amplifier circuit, simply by adding a 2N3055 power output […]