This popular article was originally published in the Jan. 16, 2019, issue of Radio World and Jan. 24, here at the website. Understanding electronics and electronic troubleshooting starts with knowing ...

Have you ever wondered what makes a loudspeaker “difficult to drive”? Do you wonder what’s so special about an amplifier that is stable into a 4 ohm load? If these are the kinds of questions that ...

For more than a century, scientists have relied on separate tools to measure the three core building blocks of electricity: volts, ohms, and amps. Each describes a different piece of how electricity ...

Did you know that 1 horsepower is the amount of power required to lift 550 pounds to a height of 1 foot in 1 second? Or, did you know that a foot-pound of torque is literally 1 pound of force exerted ...

Ohms are one of the specs that both speaker and receiver manufacturers use to give you an idea about their performance. Speakers and amplifiers alike are usually rated around 8 ohms, but that's not ...

Most everyone that has ever purchased an external amplifier is at least familiar with the term voltage gain. Simply, it is the degree to which an amplifier actually ...