Vocal Adaptor for Bass Guitar Amp

These days, music is a major hobby for the young and not-so-young. Lots of people enjoy making music, and more and  more dream of showing of...

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Low-Cost Condenser Mic Audio Amplifier

The compact, low-cost condenser mic audio amplifier described here provides good-quality audio of 0.5 watts at 4.5 volts. It can be used as ...

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Simple Mobile Car Stereo Player

Using a mobile phone while driving is dangerous. It is also against the law. However, you can use your mobile phone as a powerful music play...

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Circuit Guards Amplifier Outputs Against Overvoltage

A universal requirement for automotive electronics is that any device with direct connections to the wiring harness must be able to withstan...

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High Voltage 3 Watt Audio Power Amplifier

The LM4954 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication devic...

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4 X 15 Watt Mini Power Amplifier

A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because i...

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22Watt Car Subwoofer Amplifier

22W into 4 Ohm power amplifier, Variable Low Pass Frequency: 70 – 150Hz . This unit is intended to be connected to an existing car stereo am...

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200w Audio Power Amplifier

This audio amplifier circuit delivers up to 200 W of top-class quality for loudspeaker from 4 to 16 ohm. Operating voltage is between 24 and...

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Automatic Switch For Audio Power Amplifier

Automatic Switch For Audio Power Amplifier. Circuit of an automatic switch for audio power amplifier stage is presented here. The circuit us...

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10W Stereo Audio Amplifier Using TDA2009A

This is a schematic of a 10W stereo audio amplifier using TDA2009A amplifier IC. TDA2009A is a good IC provides quality sound. It has built ...

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Modular Headphone Amplifier

Those wanting private listening to their music programme should add this Headphone Amplifier to the Modular Preamplifier chain. The circuit ...

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Stereo Power Amplifier Circuit based on BA5417

BA5417 is a stereo amplifier IC with a lot of good features like thermal shut down, standby function, soft clipping, wide operating voltage ...

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Simple Project Dual Power Amplifier

As readers will know, there are already several power amplifier projects, two using IC power amps (aka power opamps). Both have been popular...

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Stereo Amplifier with Voltage Regulators

A simple stereo audio amplifier is built around two 7905 negative-voltage regulators (IC1 and IC2) and a few discrete components. The circui...

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LM4990-2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level

The LM4990 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication devic...

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DC-Coupled Audio Amplifier

Designs for audio amplifiers with DC coupling to the load are not often encountered these days, even though they offer definite advantages. ...

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USB Powered Audio Power Amplifier

This circuit of multimedia speakers for PCs has single-chip-based design, low-voltage power supply, compatibility with USB power, easy heat-...

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Mini Portable Guitar Amplifier

Can be fitted into a packet of cigarettes, Also suitable as Fuzz-box. This small amplifier was intended to be used in conjunction with an el...

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2W Amplifier

Designed for self-powered 8, 4 & 2 Ohm loudspeakers, Bass-boost switch. This amplifier was designed to be self-contained in a small loud...

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Portable 9v Headphone Amplifier

High Quality One-IC unit, Low current consumption . After several requests by correspondents, the decision of designing a 9V powered Headpho...

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