Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

Judges' Comment: The Hegel H600 is not just integrated, it is complete – not just in power terms but with all reasonable features as well. This is a performer that is just about as good as they get.

All the tech we rely on, from cars to smartphones, was engineered using physics. You don’t need to know the science to use these things. But a well-rounded human should understand at least some of the ...

We may receive a commission on purchases made from links. A quality amplifier can make a big difference to the Hi-Fi setup in your home theater. These devices generate and regulate the power that is ...

What Hi-Fi?, founded in 1976, is the world's leading independent guide to buying and owning hi-fi and home entertainment products. Our comprehensive tests help you buy the very best for your money, ...

To mathematicians, equations are art. Just as many are moved by a painting or piece of music, to those who appreciate and understand math, expressions of numbers, variables, operations and relations ...

Guitar amplifiers have been evolving since the early 20th century and the Jazz Age when stringed instruments demanded extra volume to compete with brass sections and prominent drums. Many amplifier ...

"Of all the equations of physics, perhaps the most magical is the Dirac equation." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. British ...

Like the Sonos Amp, the Bose Music Amplifier is an all-in-one wireless audio component for those who already own (or intend to buy) a set of wired speakers. In fact, as long as you don’t mind ...