Low-power optical device achieves around 100 times amplification using just a couple of hundred milliwatts of input power ...

One of my first jobs as a freshly minted graduate engineer involved the maintenance of a set of analogue chart recorders. They were museum pieces by the early 1990s: a motorized roll of graph paper ...

A new Stanford-designed optical amplifier uses energy recycling in a resonator to deliver strong, low-noise amplification with far less power.

Cambridge Audio, the popular British audio maker, has released its new EX Series, which the brand claims harnesses 60 years of audio expertise and is the “spiritual successor” to its legendary Azur ...

Audio amplifier fault diagnosis gets a fast reality check as Roberto Armani shows how a square wave exposes what a sine wave ...

There’s no denying SVS has been on a serious run lately. Over the past year, the company has worked its way through the subwoofer lineup, and while you could call it a refresh, that doesn’t really ...

A Thermocouple is a terrific way to measure temperature. The effects of temperature change on dissimilar metals produces a measurable voltage. But to make that measurement you need an amplifier ...

In 2020, Virgil Abloh, the late artistic director at Louis Vuitton and founder of Off-White, started developing an artistic proposal for McIntosh, with the hope that it would lead to a special series ...

Just today I read on an internet forum a post by a "hot" new manufacturer of class D amplifiers saying that "the only way to solve the interference problem is to put the amplifier in a completely ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Last year, the classic British audio brand Quad launched a ...

Choosing the best amplifier is an important decision you’ll find yourself making when it comes to setting up your home Hi-Fi or home theater system. Or when stepping up from a soundbar or basic hi-fi.

The Emotiva XPA-2 is a two-channel amplifier is one of the most powerful, highest value amplifiers we've reviewed to date. It is a lone wolf in a pasture of sheepish amplifiers. Power output: 250 ...