This is the schematic diagram of 400W RMS stereo power amplifier which use power transistor to work. This amplifier in addition to providing good sound […]


This is a simple active speaker protector circuit which has a very important use, expecially to protect the loudspeakers of a audio system. It prevent […]

This is 500W RMS power amplifier circuit design, build based on MOSFET. The circuit is very popular in EE audio hobbyist as “LEGEND stage Master […]

The following is an electronic circuit called galaxy audio booster which serves to improve the performance of your audio system. This circuit uses an IC […]

After we present a circuit of electronic mosquito repellent, this time will be continued with a circuit of electronics that are not less interesting, that […]

This sine wave to square wave converter circuit is expected to provide good square waves changing a sine wave delivered from an existing generator. Its […]

This is the electronic circuit diagram of metronome sound generator. The circuit featured adjustable volume and beats/minute with potentiometers. LED used to be a beat […]