Over radio’s first century of evolution as a broadcast medium, numerous innovations served to improve the efficiency of ...

Here’s how it works. The beating heart of any hi-fi separates system, the stereo amplifier is what takes in your sources (CD player, turntable, music streamer) and amplifies their signals to an output ...

Whether you’re looking for better sound quality or want to add some real bass to your stereo, an amplifier is necessary to get the most out of your speakers, especially if you’re using ...

and stereo receivers (which is basically an integrated amplifier with an AM/FM radio receiver in it), but don't worry, we explain the difference in more detail in the FAQs below. We also explain ...

He’s built himself an amazingly well constructed FM transmitter that’s powerful enough to be received a quarter mile away. The FM transmitter circuit itself is based off one of [Art Swan]’s ...