This article was originally published in the Dec 14, 1998 issue of Electronic Design. Class-D audio power amplifiers (APAs) were first introduced nearly 50 years ago. Since then, they have been used ...

Scott Walker Audio has the new Aurender AP20 Integrated Amplifier at T.H.E. Show 2023. This class D streaming amplifier can deliver 200 watts/channel. Analog Volume Control: The AP20 employs an analog ...

Over the last decade, integrated Class D amplifiers have proven themselves to be extremely competitive with Class AB amplifiers for consumer applications. The power efficiency of digital amplifiers ...

The active components of the Class D amplifier are the switching output stage and modulator. This circuitry can be built for roughly the same cost as an analog linear amplifier. The real trade-offs ...

The Quad 3 integrated amplifier blends classic British design with modern versatility, delivering tonal weight, balance, and real-world power without hype—an easy Editors’ Choice at $2,800.

While nearly all integrated amps are two-channel affairs, the HiFi Rose RA180 is actually a four-channel amp, as it contains four mono amplifier modules that can be configured to work in various ways.

The switching amplifier, or class D amplifier, has risen quickly to prominence in consumer audio applications, from MP3 devices including mobile phone handsets to games consoles, LCD-TVs, and home ...

Marantz just announced its 10 Series Collection, consisting of three reference-quality audio components. It’s the first time the Japanese hi-fi maker has released such flagship stereo products since ...

When it comes to audio setups, there are really two main approaches: integrated amplifiers and separates. Integrated amp ...

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 ...

Rotel is a revered Japanese hi-fi manufacturer with a history dating back more than 60 years. It’s best known for its high-end amplifiers that are designed for audiophiles with pretty deep pockets.