Hang around in any of the many guitar or audiophile forums or discussion boards for long enough, and eventually you’ll come across the arguments over amplifier topologies. One of the more interesting ...

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.

Technology has democratized the music industry in many obvious ways – notice how every band, regardless of stature, has a MySpace page? But one of technology's more subtle effects has been to make our ...

In like fashion to switchmode (versus linear) power supplies, which previously made their grand contribution to ultraminiaturization in portable communications devices, the Class D “digital audio” ...

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 ...

A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

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 ...

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 ...

Essence just released the DPA-440 Class D Digital Audio Power Amplifier, which is being billed as the killer amp for audiophiles. This $1300 amplifier uses the latest Class D topology to provide a ...

After you're done pulling all the wires for whole-home audio, you probably want some peace of mind that the system will just work with no fuss, like, forever. If your setups are of the high-end ...

Can these two extra cool amps--the Bel Canto REF500S ($2,495) and the Dayton DTA-100 ($100)--offer green power for audiophiles? Ex-movie theater projectionist Steve Guttenberg has also worked as a ...