Because the amplifier is an active electronic device, it needs power, and so you have to put any active speakers near a power outlet. For most audio systems, the subwoofer is probably going to be your only active speaker (though you can also find passive subwoofers, and some high-end audioRead More →

Class C Power Amplifier It is generally around 90o, which means the transistor remains idle for more than half of the input signal. So, the output current will be delivered for less time compared to the application of input signal. What is resonant frequency in Class C amplifier? The resonantRead More →