Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.

Pass Labs’ new HPA-1c refines the original with lower noise, a redesigned power supply, and stronger performance, but its $4,045 price puts it up against serious rivals from Bryston, Violectric, and ...

Electricity, the lifeblood of the modern world, often seems like a complex and intimidating subject. For those embarking on the journey to understand electrical concepts, resources like Delmar's ...

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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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 ...

Audiolab's entry-level amp gets technology from the firm's flagship models, including a brand new DAC and improved amp circuitry. The Audiolab 6000A MkII will be available from April for £699 (about ...