Audio

Six LED Stereo VU Display

The following image is the scheme diagram of six LED stereo VU display circuit which build using Dot/Bar Display Driver…

55 years ago

Hi-Fi Tone Control

This is a inexpensive high fidelity (hi-fi) tone control circuit designed just with two low cost transistors as the active…

55 years ago

100W Power Amplifier based LM3886

This is the 100 Watt power amplifier circuit based power amp chip LM3886. Single chip of LM3886 is able to…

55 years ago

PCM2706 USB Sound Card

Here is the USB sound card circuit based on PCM2706 which dedicated for USB audio. With USB controller module inside…

55 years ago

Audio Mixer + VU Meter

This is an audio mixer circuit which designed along with VU meter circuit. The circuit is for one channel input,…

55 years ago

Echo Chamber

Below circuit is an echo chamber circuit which can be used for smoothing your voice from the microphone. This circuit…

55 years ago

2 x 10 Band Stereo Graphic Equaliser

The following diagram is the circuit diagram of 20 band stereo graphic equaliser which will controlling the audio signal in…

55 years ago

Stereo VU Booster

This is a stereo VU booster circuit diagram based on transistor FCS9014 which usually used for pre-amp and regulator circuit…

55 years ago

20W Bridge Amplifier using TDA7240A

This is a simple 20W bridge amplifier based on TDA7240A. This circuit is designed for car audio system, but you…

55 years ago

2 x 70W Power Stereo Amplifier based on IC STA550

Here's the circuit diagram of a 70W stereo power amplifier which built using single power IC STA550. The circuit is…

55 years ago