Mic Compressor

Below is a mic compressor circuit that uses transistors as active components. VR1 and VR 2 is used to control…

55 years ago

5W Simple Inverter

Here's a very simple circuit inverter that converts DC current into AC current, from 12V DC to 220V AC with…

55 years ago

2 x 5W Stereo Audio Amplifier based TA7227 + Tone Control

The following circuit is a 5W stereo audio amplifier, built based on single amplifier IC TA7227. The TA7227 can be…

55 years ago

300W OCL Power Amplifier

This 300W OCL power amplifier -i'm sorry for the blur diagram, but it should be readable- use 4 pairs of…

55 years ago

Echo Chamber + Robot Voice Effect

The following circuit is the combination of echo chamber circuit that will make the sound repeated, just like an echo…

55 years ago

7W Audio Amplifier based TBA810

Here's a circuit of 7W audio amplifier that is very simple and very easy to build. This amplifier is built…

55 years ago

4W Audio Amplifier based TDA1013B

The following diagram is the circuit diagram of simple 4W audio amplifier based TDA1013B. The amplifier is based on integrated…

55 years ago

220V Touch Switch

This is a circuit of a touch switch used to turn on and turn off the electronic device that is…

55 years ago

Turbo Bass

Above scheme diagram is turbo bass circuit that can be used to multiply the low frequency sound signals (bass) on…

55 years ago