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.

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 ...

Because pulse modulation output signals are either on or off, Class D amplifiers produce far less heat than analog amplifiers. Reaching efficiencies greater than 90% compared to only 50% for analog, ...

I've been hosting an outdoor movie event for over 10 years now and have been slowly adding and upgrading equipment. There are usually around 30 people, pretty spread out and up to 50ft away from the ...

NAD just launched two new products to refresh the brand’s high-end Masters Series. The M33 stereo integrated streaming amp ($4,999) and the M28 seven-channel power amp (also $4,999) both employ a ...

The Marantz AMP 10 is a 200 watt x 16CH amplifier utilizing the ICE Edge Class D topology with a custom built SMPS power supply. I put the AMP 10 through exhaustive bench tests to gauge its ...

If you're looking to ditch your giant AV receiver for a compact stereo amp, the NAD D 3020 is the one to get. Matthew Moskovciak Senior Associate Editor / Reviews - Home theater Covering home audio ...