In audio applications there is a trend towards Class D audio amplifiers as replacements for traditional Class AB electronics. The main driving forces are improved efficiency and space savings.

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.

Velodyne has introduced the SC-600D amplifier, an improved version of the SC-600. The SC-600D features a Class D amplifier – the original SC-600 featured a Class A/B design – which improves efficiency ...

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 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 ...

If you have read an amplifier review or looked at the specifications for an amp, the chances are that you have come across a term such as 'Class A/B'. In fact, this is just one of a number of ...

In market for a powerful 200 WPC amp? ATI has you covered with two completely different technologies. We compare the AT4000 class A/B and the AT522NC Class-D amplifiers to help you decide. EIA 1kHz ...

Edifier has rolled out its new T5s Powered Subwoofer, aimed at people who want more depth in their audio without giving up too much space. It packs an 8-inch long-throw woofer driven by a 70-watt ...

100W of Class D power designed to bring the bass to cosier settings When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Ruark Audio has announced its ...

Our review of the Perlisten D215s dual driver, push pull subwoofer proved it to be one of the most advanced and accurate on the planet per decibel of output as well as per cubic foot of space. We were ...

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 ...