Meters, toggles and switchable between Class A/B and Class A operation – could this be an enthusiast's dream?

Is the Quad 3 stereo amp's sound performance as appealing as its aesthetic?

Cambridge Audio — the British audio manufacturer best known for its beautiful, high-end and new-age streamers, amplifiers and turntables — has announced a compact power amplifier for traditional hi-fi ...

Teac is a Japanese hi-fi great with a history dating back to the mid-1950s. It’s best known for its high-end audio equipment, including reel-to-reel machines, cassette tape decks and amplifiers. Now, ...

NEC has developed a GaAs-based power amplifier that achieves what it believes is the world’s highest output power of 10 mW in the 150-GHz band. Built with mass-producible GaAs technology, the device ...

Understand the basic audio components of a Hi-Fi stereo system so you know what to look for when shopping for audiophile equipment. Amplifier. Amp. Preamp. Integrated amp. Phono stage. Tube amplifier.

Lots of power, practical integration and control, and a reasonable price tag make the Wotan power amp worth consideration, especially if you own other Schiit Audio components. Schiit Audio’s success ...

When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna.

A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.

The circuit is all about a power amplifier that can provide a power output of 60 W while operating in Class A mode. Class A – refers to an output stage where the bias current is greater than the ...