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 ...

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 ...

A class-D puts out a pulse-width modulated (PWM) signal instead of the typical class-AB amplifiers linear signal The PWM signal contains the audio signal and the PWM switching frequency plus harmonics ...

The Cambridge Audio Evo 150 SE ($3,299) refines a proven streaming amplifier with better sound and features, making it a top contender under $5,000. Built around upgraded “Tuned by Cambridge” NCOREx ...

Over the years there have been many different audio amplifier designs which have found favour for a while and then been supplanted by newer ideas. One of them has crossed the bench of [Jazzy Jane], it ...

ST’s amp, in Class G operation, automatically optimizes the voltage supplied to the bridge-tied-load power stage depending on the audio-signal level. The resulting analog sound comes with near-Class D ...