If you're shopping for a set of speakers or a receiver, it can be hard to to compare their relative performances, especially ...

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 ...

Both watts (W) and volt-amperes (VA) are units of measurement for electrical power. Watts refer to “real power,” while volt-amperes refer to “apparent power.” Usually, electronic products show one or ...

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 ...