This Variable Notch Filter Circuit have a special filter. It can change to remove some sound frequency. We can adjust it how we need and that make it useful. This filter is also call band reject filter or band stop filter. It mostly removes or make small certain noise in one range. High and low […]
Audio Circuits
Motor Boat Sound Generator Circuit
Think like small motorboat comes inside our room very easy. This Motor Boat Sound Generator Circuit is an electric thing enough for this design. No need of water, no need of big wooden frame or big motor join. What is a Motor Boat Sound Generator Circuit: Motor boat sound generator circuit is electric circuit that […]
Simple Contact MIC Circuit
Simple Contact MIC Circuit is special mic, it can record weird sound when we put it in different things. If we give it small electric power it can even make sound by itself. We can use contact mic and simple wire setup to make normal guitar sound like electric guitar if we want it louder. […]
Make a Simple Electric Guitar Circuit
Want to try to make DIY Simple Electric Guitar Circuit from Hawaiian guitar? Very good idea and cheap also which anybody can try. What is Electric Guitar: Electric guitar is guitar that take sound from strings like steel or nickel and change into electric signal using sensor. Then signal goes to amplifier. And this amplifier […]
Radio Circuit with Headphones
With booster, this small and Radio Circuit with Headphones work almost like crystal radio. If uses 10-foot antenna which catches many nearby strong radio stations. Longer antenna can catch more stations but also bring unwanted channels. When trying to hear weak station sometimes other strong station sound come in background. For better tuning try connecting […]
Simple Passive Crossover Network Circuit for Loudspeakers
Think like music conductor who tell each instrument when to play. In speaker system a Simple Passive Crossover Network Circuit for Loudspeakers do same thing but with sound. Normal speaker are not made for just one piece but it have many parts each for different sound. Woofer make big boom sound, tweeter make small squeaky […]