There has been a lot of controversy on many of the Internet forums regarding power capability of receivers when driving multi-channel speaker systems. Some argue that when a receiver is rated at ...

In recent years, consumers have come to value the convenience and enjoyment of the digital lifestyle. Digital video recorders (DVRs), iPods, and flat-panel TVs are today a staple of cool, shaping ...

As Axiom’s chief R&D engineer Tom Cumberland describes it, a digital amplifier is a “power DAC”, and of course a DAC (Digital-to-Analog Converter) is the basis of all digitally recorded media, whether ...

This article started because a good friend of mine dropped a Panasonic SA-XR50 switch-mode amplifier to me for some basic bench test. This article will NOT be a review of that unit, but an ...

The Class D amplifier has some added challenges. Real world transistor switching characteristics require that some degree of dead-time is present in each modulation cycle to control the ...