Fueled by the incredible growth in portable battery-powered audio products, the venerable Class D amplifier has taken the audio development world by storm. Though a decades-old format, the Class D amp ...

Texas Instruments announced the release of its first automotive Class-D audio amplifier that combines load-dump protection and diagnostics in a single chip designed for emergency call (eCall) and ...

$7,200 is a crazy amount of money for any audio component but is the Aavik Acoustics I-180 Integrated Amplifier worth it? The Danish high-end audio manufacturer Aavik was nice enough to send me three ...

Class D amps from $130 to $50,000—pulling more ears into hi-fi without demanding you sell a kidney. Solid tech, serious power, and none of the usual overpriced fluff. Finally, affordable doesn’t sound ...

Class D amps are simple – just take an input, and use that to modulate a square wave with PWM. Send this PWM signal to a MOSFET or something, and you have the simplest class D amp in existence.

The efficiency and size advantages of Class D audio amplification in battery- powered devices are well known. These advantages are now extended to amplifiers up to 500W, made possible by solidstate ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you have read an amplifier review or looked at the specifications for an amp, the chances are ...

Smooth treble and warm midrange. Good bass output for power rating. Solid build quality, heavy. At maximum output, sound is still tolerable. All of the sonic advantages of tubes. AV123 is of a new ...

Firstly I'd like to point out that "digital amps" is a misnomer. There are two categories: Analog-controlled class D. Switching amplifiers with an analog input signal ...

There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring rare ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...