The new Quad 303 stereo amplifier and Quad 33 preamplifier are designed to work together, but can be used and purchased separately. Both components are priced identically at $1,599. You’ll be able to ...

Most of the affordable amps we’ve tested make engineering compromises that might cause a problem in certain situations—such as if they’re used with speakers that have large woofers capable ...

Op amps. Often the first thing that many learn about when beginning the journey into analog electronics, they’re used in countless ways in an overwhelmingly large array of circuits. When we ...

If you're looking to dig into the world of hi-fi systems that consist of a separate stereo receiver or integrated amplifier that powers a set of passive speakers — whether your passion is ...

The amount of amps you need from your portable jump starter depends on the type of vehicle you are trying to jump-start. Generally, smaller vehicles with smaller engines require less current ...

Building a small cube is somewhat of a trivial affair, especially without considering PWM colour mixing, however as simple maths will illustrate, as you increase the number of LEDs on each side ...

If voltage is like water pressure, amperage is like the rate of water flow. “Amps” is the common shorthand for this. When ...

This bacteria can produce fibers eight times stronger than steel. See how one company is creating new material with it.

CR’s tests and surveys can steer you to the most reliable used cars with a track record of reliability, satisfaction, and safety. How to Find a Safe and Reliable Used Car for Your Budget ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

Every weekday The Telegraph's top journalists analyse the Russian invasion of Ukraine from all angles and tell you what you need to know ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...